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Mon, 16 Oct 2023 03:15:38 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1779906778524930789 X-GMAIL-MSGID: 1779906778524930789 Introduce kmemdup_array() API to duplicate `n` number of elements from a given array. This internally uses kmemdup to allocate and duplicate the `src` array. Signed-off-by: Kartik --- v4 -> v5: * Simplify the implementation by just returning kmemdup(size_mul). --- include/linux/string.h | 1 + mm/util.c | 17 +++++++++++++++++ 2 files changed, 18 insertions(+) diff --git a/include/linux/string.h b/include/linux/string.h index 3c920b6d609b..fcfa1062c79b 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -180,6 +180,7 @@ extern char *kstrndup(const char *s, size_t len, gfp_t gfp); extern void *kmemdup(const void *src, size_t len, gfp_t gfp) __realloc_size(2); extern void *kvmemdup(const void *src, size_t len, gfp_t gfp) __realloc_size(2); extern char *kmemdup_nul(const char *s, size_t len, gfp_t gfp); +extern void *kmemdup_array(const void *src, size_t element_size, size_t count, gfp_t gfp); extern char **argv_split(gfp_t gfp, const char *str, int *argcp); extern void argv_free(char **argv); diff --git a/mm/util.c b/mm/util.c index 6eddd891198e..8801446140d6 100644 --- a/mm/util.c +++ b/mm/util.c @@ -135,6 +135,23 @@ void *kmemdup(const void *src, size_t len, gfp_t gfp) } EXPORT_SYMBOL(kmemdup); +/** + * kmemdup_array - duplicate a given array. + * + * @src: array to duplicate. + * @element_size: size of each element of array. + * @count: number of elements to duplicate from array. + * @gfp: GFP mask to use. + * + * Return: duplicated array of @src or %NULL in case of error, + * result is physically contiguous. Use kfree() to free. + */ +void *kmemdup_array(const void *src, size_t element_size, size_t count, gfp_t gfp) +{ + return kmemdup(src, size_mul(element_size, count), gfp); +} +EXPORT_SYMBOL(kmemdup_array); + /** * kvmemdup - duplicate region of memory * From patchwork Mon Oct 16 10:14:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kartik Rajput X-Patchwork-Id: 153291 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2908:b0:403:3b70:6f57 with SMTP id ib8csp3356636vqb; Mon, 16 Oct 2023 03:15:51 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFL3wzJ15svdETpDzo1VyRIlMm42QFfZ6CBRCN1LiuPhiTS4vWaFDW5Sfe1cAg2z0MIRqtd X-Received: by 2002:a05:6830:490e:b0:6c4:7516:f2cf with SMTP id eq14-20020a056830490e00b006c47516f2cfmr40882063otb.2.1697451351415; Mon, 16 Oct 2023 03:15:51 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1697451351; cv=pass; d=google.com; s=arc-20160816; b=IlWWTnSwW8Tg/2l9We1z8s8oYcfJSytMGHiQOqB8VVtzHzTuiRVyt3NlcrjUWZiOZe Wgzd1pt/viQzuevsyh7pLWdfLXwdiIBSPsqnZHvdvFq3Rqo4+lp8PuSjk7sDe5LithR+ 7Mlvx04gijaSaXYAU0SQ3M4xwG37SN47PKywruS8fjMEh0vaTcHHytZVnYoYXSNg7d9G WyNbjrkoiDSU22c0S0A/VMS2gildceKmy6Q7LlCG2M+te08qJSpJhh5YhOgTrNFFo3Lx MUS1ZyhI9PKeeiPpzJqIaU5/hgEDPpTPJHDBayxeo99JY+I3Sqh2HudkFK1U7s20koCx uEVA== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:to:from :dkim-signature; bh=uAxNN1B8Aq1rvOj2d6rD47BDQcgdbvf1bV0VdIQGpLo=; fh=WbbGAqTwxxTqGDtZLSrOYDkqRNeOYHUFpJWT8dEgneI=; b=tcVjXMZ8/qSmtx98PCsjdNP4a1Q74CmRG6P/b+TFBhTjuP/wCO5n1Z1nAA7cNs3Vr5 kk3ikQ500aDQCqUmQ+9YL4Ju+nbGCjee8PaL8sQkrUslGBH30ShX0Ks0rMqAar9G3e2+ TRmHHCopZcbSmBNKYZG4WY2UiCWL4tEMkPA5/L4MBPkeTcECHkVYdOdue+ZB/+pbrxO8 KZ0/7D9TQWPbaLm7Jos9Z7fQnvh6eIz1nbrV0MvIRgsuxN/9/hGzVaYPzq61XOYNYAF/ ZVXVQMtCh5ZtMMUc8x912dL78PoOJtc8CfBwJcfl/K4YBQRTaPxbq1lHJ77mFMsajSkh eM5w== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@Nvidia.com header.s=selector2 header.b=MnGrAcP0; arc=pass (i=1 spf=pass spfdomain=nvidia.com dmarc=pass fromdomain=nvidia.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.38 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=nvidia.com Received: from fry.vger.email (fry.vger.email. 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Mon, 16 Oct 2023 03:15:47 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1779906748029610390 X-GMAIL-MSGID: 1779906748029610390 Currently, in tegra_fuse_probe() if clock/reset get fails, then the driver prints an error if the error is not caused by -EPROBE_DEFER. This can be improved by using dev_err_probe() instead. So, return dev_err_probe() if clock/reset get fails. Signed-off-by: Kartik --- drivers/soc/tegra/fuse/fuse-tegra.c | 17 ++++------------- 1 file changed, 4 insertions(+), 13 deletions(-) diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c index a2c28f493a75..98805885158e 100644 --- a/drivers/soc/tegra/fuse/fuse-tegra.c +++ b/drivers/soc/tegra/fuse/fuse-tegra.c @@ -131,13 +131,8 @@ static int tegra_fuse_probe(struct platform_device *pdev) fuse->phys = res->start; fuse->clk = devm_clk_get(&pdev->dev, "fuse"); - if (IS_ERR(fuse->clk)) { - if (PTR_ERR(fuse->clk) != -EPROBE_DEFER) - dev_err(&pdev->dev, "failed to get FUSE clock: %ld", - PTR_ERR(fuse->clk)); - - return PTR_ERR(fuse->clk); - } + if (IS_ERR(fuse->clk)) + return dev_err_probe(&pdev->dev, PTR_ERR(fuse->clk), "failed to get FUSE clock\n"); platform_set_drvdata(pdev, fuse); fuse->dev = &pdev->dev; @@ -179,12 +174,8 @@ static int tegra_fuse_probe(struct platform_device *pdev) } fuse->rst = devm_reset_control_get_optional(&pdev->dev, "fuse"); - if (IS_ERR(fuse->rst)) { - err = PTR_ERR(fuse->rst); - dev_err(&pdev->dev, "failed to get FUSE reset: %pe\n", - fuse->rst); - return err; - } + if (IS_ERR(fuse->rst)) + return dev_err_probe(&pdev->dev, PTR_ERR(fuse->rst), "failed to get FUSE reset\n"); /* * FUSE clock is enabled at a boot time, hence this resume/suspend From patchwork Mon Oct 16 10:14:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Kartik Rajput X-Patchwork-Id: 153294 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2908:b0:403:3b70:6f57 with SMTP id ib8csp3356904vqb; Mon, 16 Oct 2023 03:16:23 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGYgEsc6NmO4ol3e+TGCB5nnvPZi9vGOnYGSSaa9wV1UVCmUAm75Zo83whYtMHsu+C7kPA8 X-Received: by 2002:a05:6602:368c:b0:792:7c78:55be with SMTP id bf12-20020a056602368c00b007927c7855bemr33347190iob.0.1697451383136; Mon, 16 Oct 2023 03:16:23 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1697451383; cv=pass; d=google.com; s=arc-20160816; b=vZPaIp2mPeFZQmffDHnNx5CB01d5ku0AI9nABzuBdD903P1VHkMeRgveXK/olOw8Uq 1vK8OyXlgJwOGHNbr9aXCjq7RKu/RQad7ishAa0y3/h320Lz/zCh93ybPayM8q1l8n5O 7ssH873etc3p63EPAuph3+RjABO57zu64Cp7AEzVLX+7G3XPH9CViHz8+wV9+feAOr6z qYSR1nnR75F/QRbRlLyToXljl4eO2Vph7bO5j0ndwEEZSXennFsoX6A9L9jsIT8za/GZ uqcG479Vwiey3muA5E7U1sDr67F8reLFZF5pMw7mQLDb6r30u/Zs/eVITM/UyNXAui55 BdsQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:to:from :dkim-signature; bh=Re29ps3AiOSg4y0WBx8YIBQJTME/7AeggREHZrD4b44=; fh=WbbGAqTwxxTqGDtZLSrOYDkqRNeOYHUFpJWT8dEgneI=; b=kP+lzxi9qCqnxnnomZMytnDMRhgUaWC7+U+88y9DVCCnzNlqcUbm2S+XV4DRrtHVRI Id0f1qPsJhCFSOfddYQ4UfRVCeGp9C8ZCF+Cw1iC5etXFv6/wQQoQanBlM3Us4weDLE2 BzuWLSAUFB23ZKy8A8eWMS3Sc+y8WPYuT2Cc9QCY+8yhFL6jGHDszK/ldjYWPamyI517 mTmDsVfGKetdgbjrVf4GekHVqJpPVzDITOb1tf28jnsZRvk1geVPv3niZ19/QL9rB/kV gZh8CDTTysbpW+3fzbUI54/qUHWdMnQvh73BTDt6JcZWKYqkKWLUt5pKxikZfd8nBAIr ePzA== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@Nvidia.com header.s=selector2 header.b=FA3H1Ue+; arc=pass (i=1 spf=pass spfdomain=nvidia.com dmarc=pass fromdomain=nvidia.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:4 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=nvidia.com Received: from howler.vger.email (howler.vger.email. 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Mon, 16 Oct 2023 03:16:18 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1779906781619616490 X-GMAIL-MSGID: 1779906781619616490 To prepare for adding ACPI support to the tegra-apbmisc driver, relocate the code responsible for mapping memory resources from the function ‘tegra_init_apbmisc’ to the function ‘tegra_init_apbmisc_resources.’ This adjustment will allow the code to be shared between ‘tegra_init_apbmisc’ and the upcoming ‘tegra_acpi_init_apbmisc’ function. Signed-off-by: Kartik --- drivers/soc/tegra/fuse/tegra-apbmisc.c | 37 +++++++++++++++----------- 1 file changed, 21 insertions(+), 16 deletions(-) diff --git a/drivers/soc/tegra/fuse/tegra-apbmisc.c b/drivers/soc/tegra/fuse/tegra-apbmisc.c index da970f3dbf35..06c1b3a2c7ec 100644 --- a/drivers/soc/tegra/fuse/tegra-apbmisc.c +++ b/drivers/soc/tegra/fuse/tegra-apbmisc.c @@ -160,9 +160,28 @@ void __init tegra_init_revision(void) tegra_sku_info.platform = tegra_get_platform(); } -void __init tegra_init_apbmisc(void) +static void tegra_init_apbmisc_resources(struct resource *apbmisc, + struct resource *straps) { void __iomem *strapping_base; + + apbmisc_base = ioremap(apbmisc->start, resource_size(apbmisc)); + if (apbmisc_base) + chipid = readl_relaxed(apbmisc_base + 4); + else + pr_err("failed to map APBMISC registers\n"); + + strapping_base = ioremap(straps->start, resource_size(straps)); + if (strapping_base) { + strapping = readl_relaxed(strapping_base); + iounmap(strapping_base); + } else { + pr_err("failed to map strapping options registers\n"); + } +} + +void __init tegra_init_apbmisc(void) +{ struct resource apbmisc, straps; struct device_node *np; @@ -219,21 +238,7 @@ void __init tegra_init_apbmisc(void) } } - apbmisc_base = ioremap(apbmisc.start, resource_size(&apbmisc)); - if (!apbmisc_base) { - pr_err("failed to map APBMISC registers\n"); - } else { - chipid = readl_relaxed(apbmisc_base + 4); - } - - strapping_base = ioremap(straps.start, resource_size(&straps)); - if (!strapping_base) { - pr_err("failed to map strapping options registers\n"); - } else { - strapping = readl_relaxed(strapping_base); - iounmap(strapping_base); - } - + tegra_init_apbmisc_resources(&apbmisc, &straps); long_ram_code = of_property_read_bool(np, "nvidia,long-ram-code"); put: From patchwork Mon Oct 16 10:14:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kartik Rajput X-Patchwork-Id: 153296 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2908:b0:403:3b70:6f57 with SMTP id ib8csp3356939vqb; Mon, 16 Oct 2023 03:16:28 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFpx0W4uGM2Zra5a3d3yJwDjyCagIjY9Ml/hBwTEi9K9lbWY0d997jU7oA9kr0BGlw2FzEE X-Received: by 2002:a9d:51cb:0:b0:6bf:5010:9d35 with SMTP id d11-20020a9d51cb000000b006bf50109d35mr33541733oth.3.1697451388150; Mon, 16 Oct 2023 03:16:28 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1697451388; cv=pass; d=google.com; s=arc-20160816; b=VgdFuxfX7OjU65roitpjaDOAoHXUQW1KhEv9Z2T+daMCIeIwv4Y3fOQ1ctsCCQnCDG a7NeivO/uWRqnX1/PnBuh4K80unW8FMrhMA9k3vXN35x9r98MiqjVCly6oyqFtAlu46k 8IJrLUiTI/eCMsThwcctcFCbmNVGTQBdUEGpAA/bgnbYOhd9isu7UBn649g5yrGtAXp7 TvGZ7mOrviBqxSDjJBGJkRaWzCUyIXzb6cDuZ7u3kb0IJ0LsHi9gW9btp4JWYPEXsjuf WPYqyFaxTgESprTU+v36oe09S63ci+NfYyR+3Rk8iFiR/eC1uTxjLjglX4eKR+6mUg32 nNyQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:to:from :dkim-signature; bh=Huwxg3aaNBgwNNxWl7rYicXbXEr+ZCJVJJKyE4DsCNU=; fh=WbbGAqTwxxTqGDtZLSrOYDkqRNeOYHUFpJWT8dEgneI=; b=Y8DSO/b6eol9zX5N3u2C+HHsBt7ahj1fJV0H1G8r962IPMCt7IGUJ55iYfJ4YAOTcb vVUYW32UzsGOrcgRnK5970YOlOZVW4ZltF7sDYKmVilG/wYb5RLlfV6cfkYkVMcE6/oK XS+NOlkM9cCske5jc3b3iwHh7dOjDjC87IuzdXEUQnM/UuoG+ftZQnxWV8SPnAJkC/9p pIuzQGfjo/G+zMCoIhOkWFSboGzpFlyK83J0pBEnexL3U8Rq1snj9oOlUB8M0ZrGQLx1 GcRC/QP9o29NLDUgXnMv1+8O+oQv7oT5k4yCsZQy8MXLVe+szN+PO+ee69ACedOrTHb1 eZ3g== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@Nvidia.com header.s=selector2 header.b=SoJ7vhug; arc=pass (i=1 spf=pass spfdomain=nvidia.com dmarc=pass fromdomain=nvidia.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=nvidia.com Received: from groat.vger.email (groat.vger.email. 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Mon, 16 Oct 2023 03:16:25 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1779906786833037934 X-GMAIL-MSGID: 1779906786833037934 In preparation to ACPI support in Tegra fuse driver add function tegra_acpi_init_apbmisc() to initialize tegra-apbmisc driver. Also, document the reason of calling tegra_init_apbmisc() at early init. Note that function tegra_acpi_init_apbmisc() is not placed in the __init section, because it will be called during probe. Signed-off-by: Kartik --- v3 -> v6: * Use resource_list_for_each_entry() instead of resource_list_for_each_entry_safe(). v2 -> v3: * Fix build warnings seen when CONFIG_ACPI is disabled by moving tegra_init_apbmisc table inside #ifdef CONFIG_ACPI block. v1 -> v2: * Update ACPI ID table 'tegra_init_apbmisc'. * Add comment to document the reason to call tegra_init_apbmisc at early init. * Fix an issue where acpi_dev_free_resource_list() and * acpi_dev_put() were not called if acpi_dev_get_memory_resources() returned 1. * Update logic to fetch memory resources in tegra_acpi_init_apbmisc(). * Fix build errors seen when CONFIG_ACPI is disabled. --- drivers/soc/tegra/fuse/fuse.h | 1 + drivers/soc/tegra/fuse/tegra-apbmisc.c | 72 ++++++++++++++++++++++++++ 2 files changed, 73 insertions(+) diff --git a/drivers/soc/tegra/fuse/fuse.h b/drivers/soc/tegra/fuse/fuse.h index 90f23be73894..a41e9f85281a 100644 --- a/drivers/soc/tegra/fuse/fuse.h +++ b/drivers/soc/tegra/fuse/fuse.h @@ -69,6 +69,7 @@ struct tegra_fuse { void tegra_init_revision(void); void tegra_init_apbmisc(void); +void tegra_acpi_init_apbmisc(void); u32 __init tegra_fuse_read_spare(unsigned int spare); u32 __init tegra_fuse_read_early(unsigned int offset); diff --git a/drivers/soc/tegra/fuse/tegra-apbmisc.c b/drivers/soc/tegra/fuse/tegra-apbmisc.c index 06c1b3a2c7ec..6457f80821bb 100644 --- a/drivers/soc/tegra/fuse/tegra-apbmisc.c +++ b/drivers/soc/tegra/fuse/tegra-apbmisc.c @@ -3,9 +3,11 @@ * Copyright (c) 2014-2023, NVIDIA CORPORATION. All rights reserved. */ +#include #include #include #include +#include #include #include @@ -180,6 +182,12 @@ static void tegra_init_apbmisc_resources(struct resource *apbmisc, } } +/** + * tegra_init_apbmisc - Initializes Tegra APBMISC and Strapping registers. + * + * This is called during early init as some of the old 32-bit ARM code needs + * information from the APBMISC registers very early during boot. + */ void __init tegra_init_apbmisc(void) { struct resource apbmisc, straps; @@ -244,3 +252,67 @@ void __init tegra_init_apbmisc(void) put: of_node_put(np); } + +#ifdef CONFIG_ACPI +static const struct acpi_device_id apbmisc_acpi_match[] = { + { "NVDA2010" }, + { /* sentinel */ } +}; + +void tegra_acpi_init_apbmisc(void) +{ + struct resource *resources[2] = { NULL }; + struct resource_entry *rentry; + struct acpi_device *adev = NULL; + struct list_head resource_list; + int rcount = 0; + int ret; + + adev = acpi_dev_get_first_match_dev(apbmisc_acpi_match[0].id, NULL, -1); + if (!adev) + return; + + INIT_LIST_HEAD(&resource_list); + + ret = acpi_dev_get_memory_resources(adev, &resource_list); + if (ret < 0) { + pr_err("failed to get APBMISC memory resources"); + goto out_put_acpi_dev; + } + + /* + * Get required memory resources. + * + * resources[0]: apbmisc. + * resources[1]: straps. + */ + resource_list_for_each_entry(rentry, &resource_list) { + if (rcount >= ARRAY_SIZE(resources)) + break; + + resources[rcount++] = rentry->res; + } + + if (!resources[0]) { + pr_err("failed to get APBMISC registers\n"); + goto out_free_resource_list; + } + + if (!resources[1]) { + pr_err("failed to get strapping options registers\n"); + goto out_free_resource_list; + } + + tegra_init_apbmisc_resources(resources[0], resources[1]); + +out_free_resource_list: + acpi_dev_free_resource_list(&resource_list); + +out_put_acpi_dev: + acpi_dev_put(adev); +} +#else +void tegra_acpi_init_apbmisc(void) +{ +} +#endif From patchwork Mon Oct 16 10:14:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kartik Rajput X-Patchwork-Id: 153292 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2908:b0:403:3b70:6f57 with SMTP id ib8csp3356817vqb; Mon, 16 Oct 2023 03:16:14 -0700 (PDT) X-Google-Smtp-Source: AGHT+IE5RzusLCAR/t+UXLtB1XScxf94D5eM3zKFGrreyJBBjIfTYZQQuRRaVNw6BsENRrCX4SKv X-Received: by 2002:a17:902:d4cd:b0:1bb:9e6e:a9f3 with SMTP id o13-20020a170902d4cd00b001bb9e6ea9f3mr38261706plg.4.1697451373798; Mon, 16 Oct 2023 03:16:13 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1697451373; cv=pass; d=google.com; s=arc-20160816; b=D/440PahXq4iqjOmzFOziSgDis4tyhkGzc6mcrCI8ca+HcG7BcpRbBiwZshPT/DA99 eJzaGgrZNirNxJVSoq1hRWc2i2LVKEEzdBuiPiyQESNqMDVOg6kIowVHnKtB38/PVD2e 0MdcYQMFdP11ci/Ne1eqq0tlYFnmsPTstwGJ/QyCFa57i9LRqfs4yYJQQPBQ4F6t7kLJ mxWoFMfAgvm8RtDqkc0RfE2Pt3dMXwPn8/XHtxDYxpfQOgHPe+zI8s5KnFFh3MN+awzG 6uzj3oulOUMeja8BF7UZMbhgzHWwCyPBNNrYiK2+fV3aFpfq7u0OKElHXPw1sHHL+08m iQtA== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:to:from :dkim-signature; bh=wHnqTB/I/hBTi1klkL4hU/OmFUiU9wc9yjCWyXOOe8c=; fh=WbbGAqTwxxTqGDtZLSrOYDkqRNeOYHUFpJWT8dEgneI=; b=E05p9pSLRR78Wz109wSaNLvYKKgRJkuOS4DVx2EmoDDtXnOhTyKd0eiqw1rWVG0mlE kNm+aUtHn1B9oOnuhiqLZf1104zeqbfo/Q8OQqe5nIQloCiJn04pgV4YZ738RDzCxz3g T0qqOz9y+JfIYX+6QdvBM1JuT2ws5o1ykgynI08KtWvyilH/nJsZ5DsRU7T/TFkA74q0 lMfxhpPIJ1MBPFJsDrQ9gFusVbtwy1/QGm17/X5coW39I631hd22cmR8i4jxh1C/upKV /Xa0sN6x8295G73nSJzMCE1EPXL+7I1O2lmCVpy9k83htNHeHFKcSGhchgijNpi3FKuG LfQA== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@Nvidia.com header.s=selector2 header.b=Q0KCnjBj; arc=pass (i=1 spf=pass spfdomain=nvidia.com dmarc=pass fromdomain=nvidia.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:1 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=nvidia.com Received: from morse.vger.email (morse.vger.email. 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Mon, 16 Oct 2023 03:16:09 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1779906772027078700 X-GMAIL-MSGID: 1779906772027078700 Add helper function tegra_fuse_add_lookups() to register Tegra fuse nvmem lookups. So, this can be shared between tegra_fuse_init() and ACPI probe, which is to be introduced later. Use kmemdup_array to duplicate fuse->soc->lookups. Signed-off-by: Kartik --- v3 -> v4: * Use kmemdup_array to duplicate fuse->soc->lookups. * Return err at the end of tegra_fuse_probe to remove redundant code. v1 -> v2: * Use size_mul to calculate lookups array size. --- drivers/soc/tegra/fuse/fuse-tegra.c | 25 +++++++++++++++++-------- 1 file changed, 17 insertions(+), 8 deletions(-) diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c index 98805885158e..4ebb5597a77b 100644 --- a/drivers/soc/tegra/fuse/fuse-tegra.c +++ b/drivers/soc/tegra/fuse/fuse-tegra.c @@ -113,6 +113,18 @@ static void tegra_fuse_restore(void *base) fuse->clk = NULL; } +static int tegra_fuse_add_lookups(struct tegra_fuse *fuse) +{ + fuse->lookups = kmemdup_array(fuse->soc->lookups, sizeof(*fuse->lookups), + fuse->soc->num_lookups, GFP_KERNEL); + if (!fuse->lookups) + return -ENOMEM; + + nvmem_add_cell_lookups(fuse->lookups, fuse->soc->num_lookups); + + return 0; +} + static int tegra_fuse_probe(struct platform_device *pdev) { void __iomem *base = fuse->base; @@ -398,6 +410,7 @@ static int __init tegra_init_fuse(void) const struct of_device_id *match; struct device_node *np; struct resource regs; + int err; tegra_init_apbmisc(); @@ -495,15 +508,11 @@ static int __init tegra_init_fuse(void) pr_debug("Tegra CPU Speedo ID %d, SoC Speedo ID %d\n", tegra_sku_info.cpu_speedo_id, tegra_sku_info.soc_speedo_id); - if (fuse->soc->lookups) { - size_t size = sizeof(*fuse->lookups) * fuse->soc->num_lookups; + err = tegra_fuse_add_lookups(fuse); + if (err) + pr_err("failed to add FUSE lookups\n"); - fuse->lookups = kmemdup(fuse->soc->lookups, size, GFP_KERNEL); - if (fuse->lookups) - nvmem_add_cell_lookups(fuse->lookups, fuse->soc->num_lookups); - } - - return 0; + return err; } early_initcall(tegra_init_fuse); From patchwork Mon Oct 16 10:14:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kartik Rajput X-Patchwork-Id: 153295 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2908:b0:403:3b70:6f57 with SMTP id ib8csp3356909vqb; Mon, 16 Oct 2023 03:16:23 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFZS+b+0h8dfWkz2p7ilF5uWcyA187PNitUFWaVhk7LtdKucksynnI8C0+JUv14QI7sleMu X-Received: by 2002:a17:902:e885:b0:1c0:bf60:ba82 with SMTP id w5-20020a170902e88500b001c0bf60ba82mr37837081plg.5.1697451383422; Mon, 16 Oct 2023 03:16:23 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1697451383; cv=pass; d=google.com; s=arc-20160816; b=nasiR8zBfObQ2X8CCY4OgB60QPudtzktNxVKslghdMkHo7d6tQl8woB8weYHgMl3xV plhaCuVNDwGffdCn2myXV8AS8UFsVophN17YaWD6oE5k566ZI2TlF2Hyd6mpo5z3DkjR CBaJY2Mp6R1VMEyZGxHDT+l1fxde5rsq3F+CCOCZpGtx50r7nU4QTvLn+to7/sAxUXqK 8sXkQJ5WWY75ha2Nf8eL4GwPN5x8YzN5nk5soFOPxkE5G40ziz4PVES2k0slqF6/34xF V2QNAjDzwq5nvrNfKbbDF3DFV+xq/dphHlg1o/Iy3KX3GkrZfic2bqx0W7XcZvHdddep biPQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:to:from :dkim-signature; bh=Boe9hAUW3Y1DekcyUmXJ4mkqskHoBpTocROHHjVt0YM=; fh=WbbGAqTwxxTqGDtZLSrOYDkqRNeOYHUFpJWT8dEgneI=; b=Y22BOHB2ueI0kb7PjGN3Nvacvr5JWCAguhghGoxWWDY9VIay3io61eBHcNoJQY5Eva uaOxbAa5i7iHC2xmjj6Tq0Zp6y8qYg4I3v5Ez+b4F+WFjtBzqcAQNpD7r02m2e3jhnGW 3Gbeu0zmzNG6Elsz5PUeBoLc3AN6rO6luXK90JMJlGFJgoBz3GMQkSiCYc/W0Ca6uBZJ hWzhZtVhQM+aNrz+hVzroz7ilVivN8Tk/dzDDMnigq4C1PRAdZMs4BfaD/chfoKus3ZE 3cfgqUxS19OMfoZB41vqQ6E6ETAHqS+Mf7m/VqdQhGQ7lpnirkrxLT3+QlAgNKli24VY GPEw== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@Nvidia.com header.s=selector2 header.b=lNRne9lU; arc=pass (i=1 spf=pass spfdomain=nvidia.com dmarc=pass fromdomain=nvidia.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.37 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=nvidia.com Received: from snail.vger.email (snail.vger.email. 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Mon, 16 Oct 2023 03:16:22 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1779906781892772365 X-GMAIL-MSGID: 1779906781892772365 Add helper function tegra_fuse_print_sku_info() to print Tegra SKU information. So, it can be shared between tegra_fuse_init() and ACPI probe which is to be introduced later. Signed-off-by: Kartik --- v1 -> v2: * Renamed tegra_fuse_pr_sku_info() as tegra_fuse_print_sku_info(). --- drivers/soc/tegra/fuse/fuse-tegra.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c index 4ebb5597a77b..7a93c6512f7b 100644 --- a/drivers/soc/tegra/fuse/fuse-tegra.c +++ b/drivers/soc/tegra/fuse/fuse-tegra.c @@ -113,6 +113,16 @@ static void tegra_fuse_restore(void *base) fuse->clk = NULL; } +static void tegra_fuse_print_sku_info(struct tegra_sku_info *tegra_sku_info) +{ + pr_info("Tegra Revision: %s SKU: %d CPU Process: %d SoC Process: %d\n", + tegra_revision_name[tegra_sku_info->revision], + tegra_sku_info->sku_id, tegra_sku_info->cpu_process_id, + tegra_sku_info->soc_process_id); + pr_debug("Tegra CPU Speedo ID %d, SoC Speedo ID %d\n", + tegra_sku_info->cpu_speedo_id, tegra_sku_info->soc_speedo_id); +} + static int tegra_fuse_add_lookups(struct tegra_fuse *fuse) { fuse->lookups = kmemdup_array(fuse->soc->lookups, sizeof(*fuse->lookups), @@ -501,12 +511,7 @@ static int __init tegra_init_fuse(void) fuse->soc->init(fuse); - pr_info("Tegra Revision: %s SKU: %d CPU Process: %d SoC Process: %d\n", - tegra_revision_name[tegra_sku_info.revision], - tegra_sku_info.sku_id, tegra_sku_info.cpu_process_id, - tegra_sku_info.soc_process_id); - pr_debug("Tegra CPU Speedo ID %d, SoC Speedo ID %d\n", - tegra_sku_info.cpu_speedo_id, tegra_sku_info.soc_speedo_id); + tegra_fuse_print_sku_info(&tegra_sku_info); err = tegra_fuse_add_lookups(fuse); if (err) From patchwork Mon Oct 16 10:14:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kartik Rajput X-Patchwork-Id: 153298 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2908:b0:403:3b70:6f57 with SMTP id ib8csp3357123vqb; Mon, 16 Oct 2023 03:16:58 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGxExm41Vdma8gH47bkN9c31RtkDPcX0RZLG6AvEgXg4s1HTdtlw6Pc/IX9TQqLgwYFg01+ X-Received: by 2002:a05:6a20:a10c:b0:171:737:df97 with SMTP id q12-20020a056a20a10c00b001710737df97mr21208628pzk.2.1697451417959; Mon, 16 Oct 2023 03:16:57 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1697451417; cv=pass; d=google.com; s=arc-20160816; b=Ss+/GLZRabb1g3nje/AgFSxgMrLEKA4lPiJteDLbIWv8PEVn/dBi3jO8VmcaNT9z4m APb+QK42SsjSESyq6zvseCOvTX/6zIftHniLVqcDPBP5g+8U2cmfkAANZ6YAgCKfVr+R WvCAxXlCHlWJ1IsVcfnKsDTKv/2ShE/OUS/t1oP87nzQBLJ10sf4Ncj3zb5Do4jSL/xr P7cLyd4r70sNx8m0j0PIze7oCVnBcv384GStLEmJSm1PuuKGnvhtSv8mOlPHq4rcoLP3 fs1s9bahdwhGxl84zS1BAEfg6S56lnxxu3ssULCFQf9A+PbTZC8uJ0AHWHzd9IAxMbU7 dQ1Q== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:to:from :dkim-signature; bh=vnCLkKiG3WoNwvXMTh+9d4u1aDhdbcmtKjbLuTY7D9k=; fh=WbbGAqTwxxTqGDtZLSrOYDkqRNeOYHUFpJWT8dEgneI=; b=vzuaqMyIy95wUuLCUimCd6n3OguMXFws4QHuBfei/x4IGjpOL160uzuQeOWVFqcANR 6/GyPRsthgbopUqma22eUM4cdWPu6ElLA9dMBKR3L84EWz6gx+Q8nmYqI6uKzUUJtlZs wkFO+KwxBWskDlI61FoiTXszWAy7YK7RlRahOSUTUcgD+qKTUDw3gqlkrN2OL9rLFZvy XYQPhQI64OAZdkv3UJHZaUCVDkmqFM3FHdCi3yDX2rmJmaM7RrxqYIsvkNjY/6iBHk7c TMbtkKbVHUliLYUlGwT4TpCA2sX0gDyIwSbdGWGFpQJGn8cKW3GT+m9MsPol9fEZxTY2 SGVA== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@Nvidia.com header.s=selector2 header.b=tHd0OC60; arc=pass (i=1 spf=pass spfdomain=nvidia.com dmarc=pass fromdomain=nvidia.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:8 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=nvidia.com Received: from fry.vger.email (fry.vger.email. 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Mon, 16 Oct 2023 03:16:55 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1779906818150318801 X-GMAIL-MSGID: 1779906818150318801 Add ACPI support for Tegra194 & Tegra243 SoC's. This requires following modifications to the probe when ACPI boot is used: - Initialize soc data. - Add nvmem lookups. - Register soc device. - use devm_clk_get_optional() instead of devm_clk_get() to get fuse->clk, as fuse clocks are not required when using ACPI boot. Also, drop '__init' keyword for tegra_soc_device_register() as this is also used by tegra_fuse_probe() and use dev_err_probe() wherever applicable. Signed-off-by: Kartik --- v4 -> v5: * Fix build warnings seen with tegra_fuse_acpi_match when CONFIG_ACPI is disabled. v3 -> v4: * Use dev_fwnode() to dereference the fwnode. * Add MODULE_DEVICE_TABLE for tegra_fuse_acpi_match. * Moved tegra_fuse_acpi_match above tegra_fuse_driver i.e., close to the user of tegra_fuse_acpi_match. * Moved the improvements made to fuse clk/rst get error handling to separate patch. * Moved ACPI related initialization after fuse->base is initialized in tegra_fuse_probe(), as this triggers a warning in tegra_fuse_read_early() which is called from fuse->soc->init(). v2 -> v3: * Updated commit message to specify changes related to inclusion of dev_err_probe(). v1 -> v2: * Updated ACPI ID table 'tegra_fuse_acpi_match'. * Removed ',' after "{ /* sentinel */ }" in 'tegra_fuse_acpi_match'. * Using same probe for ACPI and device-tree boot. * Added code for required initialization when ACPI boot is used. * Make clocks optional for ACPI. * Use dev_err_probe() wherever applicable. * Check if clock has been initialized only when device-tree boot is used. --- drivers/soc/tegra/fuse/fuse-tegra.c | 52 +++++++++++++++++++++++++++-- 1 file changed, 49 insertions(+), 3 deletions(-) diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c index 7a93c6512f7b..39a59545c93f 100644 --- a/drivers/soc/tegra/fuse/fuse-tegra.c +++ b/drivers/soc/tegra/fuse/fuse-tegra.c @@ -3,11 +3,13 @@ * Copyright (c) 2013-2023, NVIDIA CORPORATION. All rights reserved. */ +#include #include #include #include #include #include +#include #include #include #include @@ -152,7 +154,38 @@ static int tegra_fuse_probe(struct platform_device *pdev) return PTR_ERR(fuse->base); fuse->phys = res->start; - fuse->clk = devm_clk_get(&pdev->dev, "fuse"); + /* Initialize the soc data and lookups if using ACPI boot. */ + if (is_acpi_node(dev_fwnode(&pdev->dev)) && !fuse->soc) { + u8 chip; + + tegra_acpi_init_apbmisc(); + + chip = tegra_get_chip_id(); + switch (chip) { +#if defined(CONFIG_ARCH_TEGRA_194_SOC) + case TEGRA194: + fuse->soc = &tegra194_fuse_soc; + break; +#endif +#if defined(CONFIG_ARCH_TEGRA_234_SOC) + case TEGRA234: + fuse->soc = &tegra234_fuse_soc; + break; +#endif + default: + return dev_err_probe(&pdev->dev, -EINVAL, "Unsupported SoC: %02x\n", chip); + } + + fuse->soc->init(fuse); + tegra_fuse_print_sku_info(&tegra_sku_info); + tegra_soc_device_register(); + + err = tegra_fuse_add_lookups(fuse); + if (err) + return dev_err_probe(&pdev->dev, err, "failed to add FUSE lookups\n"); + } + + fuse->clk = devm_clk_get_optional(&pdev->dev, "fuse"); if (IS_ERR(fuse->clk)) return dev_err_probe(&pdev->dev, PTR_ERR(fuse->clk), "failed to get FUSE clock\n"); @@ -275,10 +308,17 @@ static const struct dev_pm_ops tegra_fuse_pm = { SET_SYSTEM_SLEEP_PM_OPS(tegra_fuse_suspend, tegra_fuse_resume) }; +static const struct acpi_device_id __maybe_unused tegra_fuse_acpi_match[] = { + { "NVDA200F" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(acpi, tegra_fuse_acpi_match); + static struct platform_driver tegra_fuse_driver = { .driver = { .name = "tegra-fuse", .of_match_table = tegra_fuse_match, + .acpi_match_table = ACPI_PTR(tegra_fuse_acpi_match), .pm = &tegra_fuse_pm, .suppress_bind_attrs = true, }, @@ -300,7 +340,13 @@ u32 __init tegra_fuse_read_early(unsigned int offset) int tegra_fuse_readl(unsigned long offset, u32 *value) { - if (!fuse->read || !fuse->clk) + /* + * Wait for fuse->clk to be initialized if device-tree boot is used. + */ + if (is_of_node(dev_fwnode(fuse->dev)) && !fuse->clk) + return -EPROBE_DEFER; + + if (!fuse->read) return -EPROBE_DEFER; if (IS_ERR(fuse->clk)) @@ -383,7 +429,7 @@ const struct attribute_group tegra194_soc_attr_group = { }; #endif -struct device * __init tegra_soc_device_register(void) +struct device *tegra_soc_device_register(void) { struct soc_device_attribute *attr; struct soc_device *dev; From patchwork Mon Oct 16 10:14:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kartik Rajput X-Patchwork-Id: 153297 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2908:b0:403:3b70:6f57 with SMTP id ib8csp3357106vqb; Mon, 16 Oct 2023 03:16:54 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHd0voYB4E45IxhsdYMEu20wQf4BM/7X6Ql2YSFZ8FmTZwR27ikdWT1JvrAJXoPVs+MiLmL X-Received: by 2002:a05:6830:4902:b0:6b9:b987:1337 with SMTP id eq2-20020a056830490200b006b9b9871337mr39955685otb.1.1697451414762; Mon, 16 Oct 2023 03:16:54 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1697451414; cv=pass; d=google.com; s=arc-20160816; b=BD8ag5bfaQYNl2LfXgLmb3rpo8cAmRVtIkZzmcYwCqUC4Svqn8GNxLrN3mAqQbu2jQ 6yS+eMxNGm1bkQ/YdUXnmO6c+xfwD1CFH1DpioUTg67XflaxPiQkWqAkq/kHs2gzDU2F fd4GjDchzdCZq+V/3seR72j5wA7c73ecO1bvMs1p+PcNs/1fb2mIOM9ueVJGDwKZ5ITR 1ZpBFoOFV0GjDkB/UtGwFhF34sksBfks/it9jNM19r9Z5PZopErorCvWns9cAmou+EXF B0BiCQvjeM0k4laG8Pbf/P/jkAIkb85hxjsv4HEknaKTKFuQ92rUiM1EafkeI5gn/Zxt SsqQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:to:from :dkim-signature; bh=3b6A1/4Co5BKI2JVzzuIO8+xdLoWsK1IncyT9iv4Tgc=; fh=WbbGAqTwxxTqGDtZLSrOYDkqRNeOYHUFpJWT8dEgneI=; b=omQ/5vScc7ffNTjdJ7pd8P/lfOQ6JgdkmWZMlhMEUP5owRwmwxEQ0JIa/f1pZYOjv7 ZPOpevHeSQSPHVLRPOrB1SXqUzkHMJ0U5P9zD+3vOR3VGl/tqJGrjbbPT/IBDrtKR95d RQAkODhehppH+3D4kLwxzMIO+vJVluJbThOvbI2ea9KG8NxwpVrsCwzVYnmsOlUrnK4F AbZ44RdgSbKSchXCPJweEl9Kicl8kmpM4/fEs2YooG0GZk+7Ov24anv9t/2mSp8MNvKc M9psbEbnyMNAd3NXJm6uIVw5GoigAEmJ2q4hKoCcPu9ABEJGIrtpiNZ8iT/raaYzp/x0 xEHw== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@Nvidia.com header.s=selector2 header.b=RqDIbZdV; arc=pass (i=1 spf=pass spfdomain=nvidia.com dmarc=pass fromdomain=nvidia.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:3 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=nvidia.com Received: from lipwig.vger.email (lipwig.vger.email. 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Mon, 16 Oct 2023 03:16:52 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1779906814662049120 X-GMAIL-MSGID: 1779906814662049120 Add support for Tegra241 which use ACPI boot. Signed-off-by: Kartik --- v1 -> v2: * Removed few entries from tegra241_fuse_soc which were initilized as NULL or 0. --- drivers/soc/tegra/Kconfig | 5 +++++ drivers/soc/tegra/fuse/fuse-tegra.c | 5 +++++ drivers/soc/tegra/fuse/fuse-tegra30.c | 20 ++++++++++++++++++++ drivers/soc/tegra/fuse/fuse.h | 4 ++++ drivers/soc/tegra/fuse/tegra-apbmisc.c | 1 + include/soc/tegra/fuse.h | 1 + 6 files changed, 36 insertions(+) diff --git a/drivers/soc/tegra/Kconfig b/drivers/soc/tegra/Kconfig index f16beeabaa92..33512558af9f 100644 --- a/drivers/soc/tegra/Kconfig +++ b/drivers/soc/tegra/Kconfig @@ -133,6 +133,11 @@ config ARCH_TEGRA_234_SOC help Enable support for the NVIDIA Tegra234 SoC. +config ARCH_TEGRA_241_SOC + bool "NVIDIA Tegra241 SoC" + help + Enable support for the NVIDIA Tegra241 SoC. + endif endif diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c index 39a59545c93f..240846dd56b4 100644 --- a/drivers/soc/tegra/fuse/fuse-tegra.c +++ b/drivers/soc/tegra/fuse/fuse-tegra.c @@ -171,6 +171,11 @@ static int tegra_fuse_probe(struct platform_device *pdev) case TEGRA234: fuse->soc = &tegra234_fuse_soc; break; +#endif +#if defined(CONFIG_ARCH_TEGRA_241_SOC) + case TEGRA241: + fuse->soc = &tegra241_fuse_soc; + break; #endif default: return dev_err_probe(&pdev->dev, -EINVAL, "Unsupported SoC: %02x\n", chip); diff --git a/drivers/soc/tegra/fuse/fuse-tegra30.c b/drivers/soc/tegra/fuse/fuse-tegra30.c index e94d46372a63..2070d36c510d 100644 --- a/drivers/soc/tegra/fuse/fuse-tegra30.c +++ b/drivers/soc/tegra/fuse/fuse-tegra30.c @@ -678,3 +678,23 @@ const struct tegra_fuse_soc tegra234_fuse_soc = { .clk_suspend_on = false, }; #endif + +#if defined(CONFIG_ARCH_TEGRA_241_SOC) +static const struct tegra_fuse_info tegra241_fuse_info = { + .read = tegra30_fuse_read, + .size = 0x16008, + .spare = 0xcf0, +}; + +static const struct nvmem_keepout tegra241_fuse_keepouts[] = { + { .start = 0xc, .end = 0x1600c } +}; + +const struct tegra_fuse_soc tegra241_fuse_soc = { + .init = tegra30_fuse_init, + .info = &tegra241_fuse_info, + .keepouts = tegra241_fuse_keepouts, + .num_keepouts = ARRAY_SIZE(tegra241_fuse_keepouts), + .soc_attr_group = &tegra194_soc_attr_group, +}; +#endif diff --git a/drivers/soc/tegra/fuse/fuse.h b/drivers/soc/tegra/fuse/fuse.h index a41e9f85281a..f3b705327c20 100644 --- a/drivers/soc/tegra/fuse/fuse.h +++ b/drivers/soc/tegra/fuse/fuse.h @@ -136,4 +136,8 @@ extern const struct tegra_fuse_soc tegra194_fuse_soc; extern const struct tegra_fuse_soc tegra234_fuse_soc; #endif +#ifdef CONFIG_ARCH_TEGRA_241_SOC +extern const struct tegra_fuse_soc tegra241_fuse_soc; +#endif + #endif diff --git a/drivers/soc/tegra/fuse/tegra-apbmisc.c b/drivers/soc/tegra/fuse/tegra-apbmisc.c index 6457f80821bb..e2ca5d55fd31 100644 --- a/drivers/soc/tegra/fuse/tegra-apbmisc.c +++ b/drivers/soc/tegra/fuse/tegra-apbmisc.c @@ -64,6 +64,7 @@ bool tegra_is_silicon(void) switch (tegra_get_chip_id()) { case TEGRA194: case TEGRA234: + case TEGRA241: case TEGRA264: if (tegra_get_platform() == 0) return true; diff --git a/include/soc/tegra/fuse.h b/include/soc/tegra/fuse.h index 3a513be50243..8f421b9f7585 100644 --- a/include/soc/tegra/fuse.h +++ b/include/soc/tegra/fuse.h @@ -17,6 +17,7 @@ #define TEGRA186 0x18 #define TEGRA194 0x19 #define TEGRA234 0x23 +#define TEGRA241 0x24 #define TEGRA264 0x26 #define TEGRA_FUSE_SKU_CALIB_0 0xf0