From patchwork Mon Mar 6 17:27:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ondrej Zary X-Patchwork-Id: 65030 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:5915:0:0:0:0:0 with SMTP id v21csp1996778wrd; Mon, 6 Mar 2023 10:15:38 -0800 (PST) X-Google-Smtp-Source: AK7set+Z3Jw8uYQJqBoGZXhJ1QwuVC+8v0BnPYF9vBWBdSjH9VGt0+CROVQPS1cqNtQ5GXSvLIAK X-Received: by 2002:a17:902:e748:b0:19e:82d5:634c with SMTP id p8-20020a170902e74800b0019e82d5634cmr13164436plf.53.1678126538079; Mon, 06 Mar 2023 10:15:38 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1678126538; cv=none; d=google.com; s=arc-20160816; b=n7Gj325BXE1tzl3GPDnOHpaC77L5N+E0n3lBx/LG4B2BxB1pw3EjLhFL1N6lJrNfl7 g0168FdjZhiM99tdk6Xm2KG9AboGV0mwdiAjmELmlV8PsNaJrjIZE8HX+AonW43pp8aC PKqUDbp6zStA56M0rb2hD/silB75iltnTvPtETpzQWtNVMHNF+P7c2ID5/kRgpUQAEPs 86GF1PPGYP64zS7u26uTCVMEtoczWnS/BteynibCYVBa3EDfLenTMtUjFqSQvm/Z1sam LQ+YRbu0nWMWWQiofBRnZDKs263GHfoTg619icBntYXK1Eyr9lISpF4wo1+DtH1e4+vf izIw== ARC-Message-Signature: i=1; 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:cc:to:from; bh=U3HCiBl3Cisz+dPUfsgmfQRWXnyPRXivKPTQoZtZb4g=; b=0b5rImFTJ5PYLlFDRJdA/k7ZbdFg6KSLIqRewsWlm+y6wcQqR2jrZ0wgRZVyM64B7I IHxVbeo1h0KEE1SLJS7dq7K+fCj8ArECyE8MPiZiwm4Dfm6C/ooXhW7PzlGoNbSOANSo cbqhv9Tz5ZcIh8XA2avg74lpyX37u6zNTcVMY2LY/IOYx1ZaDenJ5RAzsGUGpwoJRwWJ kx4I9elHJTyV6/nPxfgo5YMkrDyzWw2i5Eq6ilyGIo2/6na8Yp99k+S4E1AS7IFozFAG a8y6g2zA2yieuNITTwdwjk3xFudIeaWRatShwm6dQV77+qRr6iRDhPv3LILkZzHead52 k3Rw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id bd8-20020a170902830800b0019e64891004si9380702plb.395.2023.03.06.10.15.25; Mon, 06 Mar 2023 10:15:38 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230265AbjCFRym (ORCPT + 99 others); Mon, 6 Mar 2023 12:54:42 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48520 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229681AbjCFRyZ (ORCPT ); Mon, 6 Mar 2023 12:54:25 -0500 Received: from hosting.gsystem.sk (hosting.gsystem.sk [212.5.213.30]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 5FF69460A0; Mon, 6 Mar 2023 09:53:57 -0800 (PST) Received: from gsql.ggedos.sk (off-20.infotel.telecom.sk [212.5.213.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by hosting.gsystem.sk (Postfix) with ESMTPSA id 020B47A0738; Mon, 6 Mar 2023 18:28:30 +0100 (CET) From: Ondrej Zary To: Damien Le Moal Cc: Christoph Hellwig , Sergey Shtylyov , Jens Axboe , Tim Waugh , linux-block@vger.kernel.org, linux-parport@lists.infradead.org, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 16/18] pata_parport: remove scratch parameter from test_proto() Date: Mon, 6 Mar 2023 18:27:50 +0100 Message-Id: <20230306172752.7727-17-linux@zary.sk> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20230306172752.7727-1-linux@zary.sk> References: <20230306172752.7727-1-linux@zary.sk> MIME-Version: 1.0 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1759643212790876730?= X-GMAIL-MSGID: =?utf-8?q?1759643212790876730?= Don't pass around a pointer to scratch buffer. Use local buffers in protocols that need it. Reviewed-by: Sergey Shtylyov Signed-off-by: Ondrej Zary --- drivers/ata/pata_parport/bpck.c | 2 +- drivers/ata/pata_parport/epat.c | 3 ++- drivers/ata/pata_parport/epia.c | 3 ++- drivers/ata/pata_parport/friq.c | 3 ++- drivers/ata/pata_parport/frpw.c | 3 ++- drivers/ata/pata_parport/pata_parport.c | 23 +++++++++++------------ include/linux/pata_parport.h | 2 +- 7 files changed, 21 insertions(+), 18 deletions(-) diff --git a/drivers/ata/pata_parport/bpck.c b/drivers/ata/pata_parport/bpck.c index 2072e291fd16..ecb98bf0e6de 100644 --- a/drivers/ata/pata_parport/bpck.c +++ b/drivers/ata/pata_parport/bpck.c @@ -274,7 +274,7 @@ static void bpck_force_spp(struct pi_adapter *pi) #define TEST_LEN 16 -static int bpck_test_proto(struct pi_adapter *pi, char *scratch) +static int bpck_test_proto(struct pi_adapter *pi) { int i, e, l, h, om; char buf[TEST_LEN]; diff --git a/drivers/ata/pata_parport/epat.c b/drivers/ata/pata_parport/epat.c index 4877b39ed04c..609614b2c69e 100644 --- a/drivers/ata/pata_parport/epat.c +++ b/drivers/ata/pata_parport/epat.c @@ -246,10 +246,11 @@ static void epat_disconnect(struct pi_adapter *pi) w2(pi->saved_r2); } -static int epat_test_proto(struct pi_adapter *pi, char *scratch) +static int epat_test_proto(struct pi_adapter *pi) { int k, j, f, cc; int e[2] = {0,0}; + char scratch[512]; epat_connect(pi); cc = RR(0xd); diff --git a/drivers/ata/pata_parport/epia.c b/drivers/ata/pata_parport/epia.c index e7401351463a..970532619aeb 100644 --- a/drivers/ata/pata_parport/epia.c +++ b/drivers/ata/pata_parport/epia.c @@ -232,10 +232,11 @@ static void epia_write_block(struct pi_adapter *pi, char *buf, int count) } -static int epia_test_proto(struct pi_adapter *pi, char *scratch) +static int epia_test_proto(struct pi_adapter *pi) { int j, k, f; int e[2] = {0,0}; + char scratch[512]; epia_connect(pi); for (j=0;j<2;j++) { diff --git a/drivers/ata/pata_parport/friq.c b/drivers/ata/pata_parport/friq.c index df15b210f355..1888e8bcb884 100644 --- a/drivers/ata/pata_parport/friq.c +++ b/drivers/ata/pata_parport/friq.c @@ -178,10 +178,11 @@ static void friq_disconnect(struct pi_adapter *pi) w2(pi->saved_r2); } -static int friq_test_proto(struct pi_adapter *pi, char *scratch) +static int friq_test_proto(struct pi_adapter *pi) { int j, k, r; int e[2] = {0,0}; + char scratch[512]; pi->saved_r0 = r0(); w0(0xff); udelay(20); CMD(0x3d); /* turn the power on */ diff --git a/drivers/ata/pata_parport/frpw.c b/drivers/ata/pata_parport/frpw.c index 0d4e84806350..484b5b9d31eb 100644 --- a/drivers/ata/pata_parport/frpw.c +++ b/drivers/ata/pata_parport/frpw.c @@ -219,10 +219,11 @@ static int frpw_test_pnp(struct pi_adapter *pi) a hack :-( */ -static int frpw_test_proto(struct pi_adapter *pi, char *scratch) +static int frpw_test_proto(struct pi_adapter *pi) { int j, k, r; int e[2] = {0,0}; + char scratch[512]; if ((pi->private>>1) != pi->port) pi->private = frpw_test_pnp(pi) + 2*pi->port; diff --git a/drivers/ata/pata_parport/pata_parport.c b/drivers/ata/pata_parport/pata_parport.c index 27aa2419af02..77a3e5a3f062 100644 --- a/drivers/ata/pata_parport/pata_parport.c +++ b/drivers/ata/pata_parport/pata_parport.c @@ -276,7 +276,7 @@ static void pi_release(struct pi_adapter *pi) module_put(pi->proto->owner); } -static int default_test_proto(struct pi_adapter *pi, char *scratch) +static int default_test_proto(struct pi_adapter *pi) { int j, k; int e[2] = { 0, 0 }; @@ -300,21 +300,21 @@ static int default_test_proto(struct pi_adapter *pi, char *scratch) return e[0] && e[1]; /* not here if both > 0 */ } -static int pi_test_proto(struct pi_adapter *pi, char *scratch) +static int pi_test_proto(struct pi_adapter *pi) { int res; parport_claim_or_block(pi->pardev); if (pi->proto->test_proto) - res = pi->proto->test_proto(pi, scratch); + res = pi->proto->test_proto(pi); else - res = default_test_proto(pi, scratch); + res = default_test_proto(pi); parport_release(pi->pardev); return res; } -static bool pi_probe_mode(struct pi_adapter *pi, int max, char *scratch) +static bool pi_probe_mode(struct pi_adapter *pi, int max) { int best, range; @@ -326,7 +326,7 @@ static bool pi_probe_mode(struct pi_adapter *pi, int max, char *scratch) range = 8; if (range == 8 && pi->port % 8) return false; - return !pi_test_proto(pi, scratch); + return !pi_test_proto(pi); } best = -1; for (pi->mode = 0; pi->mode < max; pi->mode++) { @@ -335,14 +335,14 @@ static bool pi_probe_mode(struct pi_adapter *pi, int max, char *scratch) range = 8; if (range == 8 && pi->port % 8) break; - if (!pi_test_proto(pi, scratch)) + if (!pi_test_proto(pi)) best = pi->mode; } pi->mode = best; return best > -1; } -static bool pi_probe_unit(struct pi_adapter *pi, int unit, char *scratch) +static bool pi_probe_unit(struct pi_adapter *pi, int unit) { int max, s, e; @@ -367,14 +367,14 @@ static bool pi_probe_unit(struct pi_adapter *pi, int unit, char *scratch) for (pi->unit = s; pi->unit < e; pi->unit++) { if (pi->proto->probe_unit(pi)) { parport_release(pi->pardev); - return pi_probe_mode(pi, max, scratch); + return pi_probe_mode(pi, max); } } parport_release(pi->pardev); return false; } - return pi_probe_mode(pi, max, scratch); + return pi_probe_mode(pi, max); } static void pata_parport_dev_release(struct device *dev) @@ -419,7 +419,6 @@ static struct pi_adapter *pi_init_one(struct parport *parport, struct pi_protocol *pr, int mode, int unit, int delay) { struct pardev_cb par_cb = { }; - char scratch[512]; const struct ata_port_info *ppi[] = { &pata_parport_port_info }; struct ata_host *host; struct pi_adapter *pi; @@ -469,7 +468,7 @@ static struct pi_adapter *pi_init_one(struct parport *parport, if (!pi->pardev) goto out_module_put; - if (!pi_probe_unit(pi, unit, scratch)) { + if (!pi_probe_unit(pi, unit)) { dev_info(&pi->dev, "Adapter not found\n"); goto out_unreg_parport; } diff --git a/include/linux/pata_parport.h b/include/linux/pata_parport.h index e45bb1896003..bbfa4e63ee85 100644 --- a/include/linux/pata_parport.h +++ b/include/linux/pata_parport.h @@ -67,7 +67,7 @@ struct pi_protocol { int (*test_port)(struct pi_adapter *pi); int (*probe_unit)(struct pi_adapter *pi); - int (*test_proto)(struct pi_adapter *pi, char *scratch); + int (*test_proto)(struct pi_adapter *pi); void (*log_adapter)(struct pi_adapter *pi); int (*init_proto)(struct pi_adapter *pi);