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[104.53.165.62]) by smtp.gmail.com with ESMTPSA id x80-20020a4a4153000000b0053d9be4be68sm1328531ooa.19.2023.03.31.14.46.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 Mar 2023 14:46:35 -0700 (PDT) From: Andrew Halaney To: linux-kernel@vger.kernel.org Cc: agross@kernel.org, andersson@kernel.org, konrad.dybcio@linaro.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, vkoul@kernel.org, bhupesh.sharma@linaro.org, wens@csie.org, jernej.skrabec@gmail.com, samuel@sholland.org, mturquette@baylibre.com, peppe.cavallaro@st.com, alexandre.torgue@foss.st.com, joabreu@synopsys.com, mcoquelin.stm32@gmail.com, richardcochran@gmail.com, linux@armlinux.org.uk, veekhee@apple.com, tee.min.tan@linux.intel.com, mohammad.athari.ismail@intel.com, jonathanh@nvidia.com, ruppala@nvidia.com, bmasney@redhat.com, andrey.konovalov@linaro.org, linux-arm-msm@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, ncai@quicinc.com, jsuraj@qti.qualcomm.com, hisunil@quicinc.com, echanude@redhat.com, Andrew Halaney Subject: [PATCH net-next v3 07/12] net: stmmac: Remove some unnecessary void pointers Date: Fri, 31 Mar 2023 16:45:44 -0500 Message-Id: <20230331214549.756660-8-ahalaney@redhat.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230331214549.756660-1-ahalaney@redhat.com> References: <20230331214549.756660-1-ahalaney@redhat.com> MIME-Version: 1.0 Content-type: text/plain X-Spam-Status: No, score=-0.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_NONE autolearn=unavailable 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?1761922079920930820?= X-GMAIL-MSGID: =?utf-8?q?1761922079920930820?= There's a few spots in the hardware interface where a void pointer is used, but what's passed in and later cast out is always the same type. Just use the proper type directly. Signed-off-by: Andrew Halaney Reviewed-by: Simon Horman --- Changes since v2: * New patch. In later patches refactoring hwif.h I touched these in their first form (which was later dropped) and changed this as part of that. But I thought the change was still good overall, so I left this improvement in the series. .../net/ethernet/stmicro/stmmac/chain_mode.c | 10 +++---- .../ethernet/stmicro/stmmac/dwmac100_dma.c | 4 +-- .../ethernet/stmicro/stmmac/dwmac4_descs.c | 8 ++--- .../ethernet/stmicro/stmmac/dwxgmac2_descs.c | 6 ++-- .../net/ethernet/stmicro/stmmac/enh_desc.c | 11 +++---- drivers/net/ethernet/stmicro/stmmac/hwif.h | 30 ++++++++++++------- .../net/ethernet/stmicro/stmmac/norm_desc.c | 8 ++--- .../net/ethernet/stmicro/stmmac/ring_mode.c | 10 +++---- 8 files changed, 47 insertions(+), 40 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/chain_mode.c b/drivers/net/ethernet/stmicro/stmmac/chain_mode.c index 2e8744ac6b91..fb55efd52240 100644 --- a/drivers/net/ethernet/stmicro/stmmac/chain_mode.c +++ b/drivers/net/ethernet/stmicro/stmmac/chain_mode.c @@ -14,9 +14,9 @@ #include "stmmac.h" -static int jumbo_frm(void *p, struct sk_buff *skb, int csum) +static int jumbo_frm(struct stmmac_tx_queue *tx_q, struct sk_buff *skb, + int csum) { - struct stmmac_tx_queue *tx_q = (struct stmmac_tx_queue *)p; unsigned int nopaged_len = skb_headlen(skb); struct stmmac_priv *priv = tx_q->priv_data; unsigned int entry = tx_q->cur_tx; @@ -125,9 +125,8 @@ static void init_dma_chain(void *des, dma_addr_t phy_addr, } } -static void refill_desc3(void *priv_ptr, struct dma_desc *p) +static void refill_desc3(struct stmmac_rx_queue *rx_q, struct dma_desc *p) { - struct stmmac_rx_queue *rx_q = (struct stmmac_rx_queue *)priv_ptr; struct stmmac_priv *priv = rx_q->priv_data; if (priv->hwts_rx_en && !priv->extend_desc) @@ -141,9 +140,8 @@ static void refill_desc3(void *priv_ptr, struct dma_desc *p) sizeof(struct dma_desc))); } -static void clean_desc3(void *priv_ptr, struct dma_desc *p) +static void clean_desc3(struct stmmac_tx_queue *tx_q, struct dma_desc *p) { - struct stmmac_tx_queue *tx_q = (struct stmmac_tx_queue *)priv_ptr; struct stmmac_priv *priv = tx_q->priv_data; unsigned int entry = tx_q->dirty_tx; diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c index 8f0d9bc7cab5..f6abc7bfd29d 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c @@ -80,10 +80,10 @@ static void dwmac100_dump_dma_regs(void __iomem *ioaddr, u32 *reg_space) } /* DMA controller has two counters to track the number of the missed frames. */ -static void dwmac100_dma_diagnostic_fr(void *data, struct stmmac_extra_stats *x, +static void dwmac100_dma_diagnostic_fr(struct net_device_stats *stats, + struct stmmac_extra_stats *x, void __iomem *ioaddr) { - struct net_device_stats *stats = (struct net_device_stats *)data; u32 csr8 = readl(ioaddr + DMA_MISSED_FRAME_CTR); if (unlikely(csr8)) { diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c index 8cc80b1db4cb..6a011d8633e8 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c @@ -13,11 +13,11 @@ #include "dwmac4.h" #include "dwmac4_descs.h" -static int dwmac4_wrback_get_tx_status(void *data, struct stmmac_extra_stats *x, +static int dwmac4_wrback_get_tx_status(struct net_device_stats *stats, + struct stmmac_extra_stats *x, struct dma_desc *p, void __iomem *ioaddr) { - struct net_device_stats *stats = (struct net_device_stats *)data; unsigned int tdes3; int ret = tx_done; @@ -73,10 +73,10 @@ static int dwmac4_wrback_get_tx_status(void *data, struct stmmac_extra_stats *x, return ret; } -static int dwmac4_wrback_get_rx_status(void *data, struct stmmac_extra_stats *x, +static int dwmac4_wrback_get_rx_status(struct net_device_stats *stats, + struct stmmac_extra_stats *x, struct dma_desc *p) { - struct net_device_stats *stats = (struct net_device_stats *)data; unsigned int rdes1 = le32_to_cpu(p->des1); unsigned int rdes2 = le32_to_cpu(p->des2); unsigned int rdes3 = le32_to_cpu(p->des3); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c index b1f0c3984a09..13c347ee8be9 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c @@ -8,7 +8,8 @@ #include "common.h" #include "dwxgmac2.h" -static int dwxgmac2_get_tx_status(void *data, struct stmmac_extra_stats *x, +static int dwxgmac2_get_tx_status(struct net_device_stats *stats, + struct stmmac_extra_stats *x, struct dma_desc *p, void __iomem *ioaddr) { unsigned int tdes3 = le32_to_cpu(p->des3); @@ -22,7 +23,8 @@ static int dwxgmac2_get_tx_status(void *data, struct stmmac_extra_stats *x, return ret; } -static int dwxgmac2_get_rx_status(void *data, struct stmmac_extra_stats *x, +static int dwxgmac2_get_rx_status(struct net_device_stats *stats, + struct stmmac_extra_stats *x, struct dma_desc *p) { unsigned int rdes3 = le32_to_cpu(p->des3); diff --git a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c index 1bcbbd724fb5..a91d8f13a931 100644 --- a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c +++ b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c @@ -12,10 +12,10 @@ #include "common.h" #include "descs_com.h" -static int enh_desc_get_tx_status(void *data, struct stmmac_extra_stats *x, +static int enh_desc_get_tx_status(struct net_device_stats *stats, + struct stmmac_extra_stats *x, struct dma_desc *p, void __iomem *ioaddr) { - struct net_device_stats *stats = (struct net_device_stats *)data; unsigned int tdes0 = le32_to_cpu(p->des0); int ret = tx_done; @@ -117,7 +117,8 @@ static int enh_desc_coe_rdes0(int ipc_err, int type, int payload_err) return ret; } -static void enh_desc_get_ext_status(void *data, struct stmmac_extra_stats *x, +static void enh_desc_get_ext_status(struct net_device_stats *stats, + struct stmmac_extra_stats *x, struct dma_extended_desc *p) { unsigned int rdes0 = le32_to_cpu(p->basic.des0); @@ -181,10 +182,10 @@ static void enh_desc_get_ext_status(void *data, struct stmmac_extra_stats *x, } } -static int enh_desc_get_rx_status(void *data, struct stmmac_extra_stats *x, +static int enh_desc_get_rx_status(struct net_device_stats *stats, + struct stmmac_extra_stats *x, struct dma_desc *p) { - struct net_device_stats *stats = (struct net_device_stats *)data; unsigned int rdes0 = le32_to_cpu(p->des0); int ret = good_frame; diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.h b/drivers/net/ethernet/stmicro/stmmac/hwif.h index 16a7421715cb..4572d9a059b5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/hwif.h +++ b/drivers/net/ethernet/stmicro/stmmac/hwif.h @@ -56,8 +56,9 @@ struct stmmac_desc_ops { /* Last tx segment reports the transmit status */ int (*get_tx_ls)(struct dma_desc *p); /* Return the transmit status looking at the TDES1 */ - int (*tx_status)(void *data, struct stmmac_extra_stats *x, - struct dma_desc *p, void __iomem *ioaddr); + int (*tx_status)(struct net_device_stats *stats, + struct stmmac_extra_stats *x, + struct dma_desc *p, void __iomem *ioaddr); /* Get the buffer size from the descriptor */ int (*get_tx_len)(struct dma_desc *p); /* Handle extra events on specific interrupts hw dependent */ @@ -65,10 +66,12 @@ struct stmmac_desc_ops { /* Get the receive frame size */ int (*get_rx_frame_len)(struct dma_desc *p, int rx_coe_type); /* Return the reception status looking at the RDES1 */ - int (*rx_status)(void *data, struct stmmac_extra_stats *x, - struct dma_desc *p); - void (*rx_extended_status)(void *data, struct stmmac_extra_stats *x, - struct dma_extended_desc *p); + int (*rx_status)(struct net_device_stats *stats, + struct stmmac_extra_stats *x, + struct dma_desc *p); + void (*rx_extended_status)(struct net_device_stats *stats, + struct stmmac_extra_stats *x, + struct dma_extended_desc *p); /* Set tx timestamp enable bit */ void (*enable_tx_timestamp) (struct dma_desc *p); /* get tx timestamp status */ @@ -185,8 +188,9 @@ struct stmmac_dma_ops { void (*dma_tx_mode)(void __iomem *ioaddr, int mode, u32 channel, int fifosz, u8 qmode); /* To track extra statistic (if supported) */ - void (*dma_diagnostic_fr) (void *data, struct stmmac_extra_stats *x, - void __iomem *ioaddr); + void (*dma_diagnostic_fr)(struct net_device_stats *stats, + struct stmmac_extra_stats *x, + void __iomem *ioaddr); void (*enable_dma_transmission) (void __iomem *ioaddr); void (*enable_dma_irq)(void __iomem *ioaddr, u32 chan, bool rx, bool tx); @@ -535,16 +539,20 @@ struct stmmac_hwtimestamp { #define stmmac_timestamp_interrupt(__priv, __args...) \ stmmac_do_void_callback(__priv, ptp, timestamp_interrupt, __args) +struct stmmac_tx_queue; +struct stmmac_rx_queue; + /* Helpers to manage the descriptors for chain and ring modes */ struct stmmac_mode_ops { void (*init) (void *des, dma_addr_t phy_addr, unsigned int size, unsigned int extend_desc); unsigned int (*is_jumbo_frm) (int len, int ehn_desc); - int (*jumbo_frm)(void *priv, struct sk_buff *skb, int csum); + int (*jumbo_frm)(struct stmmac_tx_queue *tx_q, struct sk_buff *skb, + int csum); int (*set_16kib_bfsize)(int mtu); void (*init_desc3)(struct dma_desc *p); - void (*refill_desc3) (void *priv, struct dma_desc *p); - void (*clean_desc3) (void *priv, struct dma_desc *p); + void (*refill_desc3)(struct stmmac_rx_queue *rx_q, struct dma_desc *p); + void (*clean_desc3)(struct stmmac_tx_queue *tx_q, struct dma_desc *p); }; #define stmmac_mode_init(__priv, __args...) \ diff --git a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c index e3da4da242ee..350e6670a576 100644 --- a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c +++ b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c @@ -12,10 +12,10 @@ #include "common.h" #include "descs_com.h" -static int ndesc_get_tx_status(void *data, struct stmmac_extra_stats *x, +static int ndesc_get_tx_status(struct net_device_stats *stats, + struct stmmac_extra_stats *x, struct dma_desc *p, void __iomem *ioaddr) { - struct net_device_stats *stats = (struct net_device_stats *)data; unsigned int tdes0 = le32_to_cpu(p->des0); unsigned int tdes1 = le32_to_cpu(p->des1); int ret = tx_done; @@ -70,12 +70,12 @@ static int ndesc_get_tx_len(struct dma_desc *p) * and, if required, updates the multicast statistics. * In case of success, it returns good_frame because the GMAC device * is supposed to be able to compute the csum in HW. */ -static int ndesc_get_rx_status(void *data, struct stmmac_extra_stats *x, +static int ndesc_get_rx_status(struct net_device_stats *stats, + struct stmmac_extra_stats *x, struct dma_desc *p) { int ret = good_frame; unsigned int rdes0 = le32_to_cpu(p->des0); - struct net_device_stats *stats = (struct net_device_stats *)data; if (unlikely(rdes0 & RDES0_OWN)) return dma_own; diff --git a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c index 2b5b17d8b8a0..d218412ca832 100644 --- a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c +++ b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c @@ -14,9 +14,9 @@ #include "stmmac.h" -static int jumbo_frm(void *p, struct sk_buff *skb, int csum) +static int jumbo_frm(struct stmmac_tx_queue *tx_q, struct sk_buff *skb, + int csum) { - struct stmmac_tx_queue *tx_q = (struct stmmac_tx_queue *)p; unsigned int nopaged_len = skb_headlen(skb); struct stmmac_priv *priv = tx_q->priv_data; unsigned int entry = tx_q->cur_tx; @@ -101,9 +101,8 @@ static unsigned int is_jumbo_frm(int len, int enh_desc) return ret; } -static void refill_desc3(void *priv_ptr, struct dma_desc *p) +static void refill_desc3(struct stmmac_rx_queue *rx_q, struct dma_desc *p) { - struct stmmac_rx_queue *rx_q = priv_ptr; struct stmmac_priv *priv = rx_q->priv_data; /* Fill DES3 in case of RING mode */ @@ -117,9 +116,8 @@ static void init_desc3(struct dma_desc *p) p->des3 = cpu_to_le32(le32_to_cpu(p->des2) + BUF_SIZE_8KiB); } -static void clean_desc3(void *priv_ptr, struct dma_desc *p) +static void clean_desc3(struct stmmac_tx_queue *tx_q, struct dma_desc *p) { - struct stmmac_tx_queue *tx_q = (struct stmmac_tx_queue *)priv_ptr; struct stmmac_priv *priv = tx_q->priv_data; unsigned int entry = tx_q->dirty_tx;