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From: Frank Li <Frank.Li@nxp.com>
To: imx@lists.linux.dev, "Jon Mason" <jdmason@kudzu.us>,
	"Dave Jiang" <dave.jiang@intel.com>,
	"Allen Hubbe" <allenbh@gmail.com>,
	"Kishon Vijay Abraham I" <kishon@ti.com>,
	"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
	"Krzysztof Wilczyński" <kw@linux.com>,
	"Manivannan Sadhasivam" <mani@kernel.org>,
	"Bjorn Helgaas" <bhelgaas@google.com>,
	ntb@lists.linux.dev (open list:NTB DRIVER CORE),
	linux-pci@vger.kernel.org (open list:PCI ENDPOINT SUBSYSTEM),
	linux-kernel@vger.kernel.org (open list)
Subject: [PATCH v13 5/6] PCI: endpoint: pci-epf-vntb: replace hardcode 4 with sizeof(u32)
Date: Fri,  7 Oct 2022 15:13:25 -0400	[thread overview]
Message-ID: <20221007191326.193079-7-Frank.Li@nxp.com> (raw)
In-Reply-To: <20221007191326.193079-1-Frank.Li@nxp.com>

From: Frank Li <frank.li@nxp.com>

ntb span entry item size is sizeof(u32).

Signed-off-by: Frank Li <frank.li@nxp.com>
---
 drivers/pci/endpoint/functions/pci-epf-vntb.c | 24 +++++++++----------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/pci/endpoint/functions/pci-epf-vntb.c b/drivers/pci/endpoint/functions/pci-epf-vntb.c
index ee66101cb5c4..54616281da9e 100644
--- a/drivers/pci/endpoint/functions/pci-epf-vntb.c
+++ b/drivers/pci/endpoint/functions/pci-epf-vntb.c
@@ -257,12 +257,12 @@ static void epf_ntb_cmd_handler(struct work_struct *work)
 	ntb = container_of(work, struct epf_ntb, cmd_handler.work);
 
 	for (i = 1; i < ntb->db_count; i++) {
-		if (readl(ntb->epf_db + i * 4)) {
-			if (readl(ntb->epf_db + i * 4))
+		if (readl(ntb->epf_db + i * sizeof(u32))) {
+			if (readl(ntb->epf_db + i * sizeof(u32)))
 				ntb->db |= 1 << (i - 1);
 
 			ntb_db_event(&ntb->ntb, i);
-			writel(0, ntb->epf_db + i * 4);
+			writel(0, ntb->epf_db + i * sizeof(u32));
 		}
 	}
 
@@ -433,7 +433,7 @@ static int epf_ntb_config_spad_bar_alloc(struct epf_ntb *ntb)
 	spad_count = ntb->spad_count;
 
 	ctrl_size = sizeof(struct epf_ntb_ctrl);
-	spad_size = 2 * spad_count * 4;
+	spad_size = 2 * spad_count * sizeof(u32);
 
 	if (!align) {
 		ctrl_size = roundup_pow_of_two(ctrl_size);
@@ -463,7 +463,7 @@ static int epf_ntb_config_spad_bar_alloc(struct epf_ntb *ntb)
 	ctrl->num_mws = ntb->num_mws;
 	ntb->spad_size = spad_size;
 
-	ctrl->db_entry_size = 4;
+	ctrl->db_entry_size = sizeof(u32);
 
 	for (i = 0; i < ntb->db_count; i++) {
 		ntb->reg->db_data[i] = 1 + i;
@@ -535,7 +535,7 @@ static int epf_ntb_db_bar_init(struct epf_ntb *ntb)
 	struct pci_epf_bar *epf_bar;
 	void __iomem *mw_addr;
 	enum pci_barno barno;
-	size_t size = 4 * ntb->db_count;
+	size_t size = sizeof(u32) * ntb->db_count;
 
 	epc_features = pci_epc_get_features(ntb->epf->epc,
 					    ntb->epf->func_no,
@@ -1121,11 +1121,11 @@ static int vntb_epf_link_enable(struct ntb_dev *ntb,
 static u32 vntb_epf_spad_read(struct ntb_dev *ndev, int idx)
 {
 	struct epf_ntb *ntb = ntb_ndev(ndev);
-	int off = ntb->reg->spad_offset, ct = ntb->reg->spad_count * 4;
+	int off = ntb->reg->spad_offset, ct = ntb->reg->spad_count * sizeof(u32);
 	u32 val;
 	void __iomem *base = ntb->reg;
 
-	val = readl(base + off + ct + idx * 4);
+	val = readl(base + off + ct + idx * sizeof(u32));
 	return val;
 }
 
@@ -1133,10 +1133,10 @@ static int vntb_epf_spad_write(struct ntb_dev *ndev, int idx, u32 val)
 {
 	struct epf_ntb *ntb = ntb_ndev(ndev);
 	struct epf_ntb_ctrl *ctrl = ntb->reg;
-	int off = ctrl->spad_offset, ct = ctrl->spad_count * 4;
+	int off = ctrl->spad_offset, ct = ctrl->spad_count * sizeof(u32);
 	void __iomem *base = ntb->reg;
 
-	writel(val, base + off + ct + idx * 4);
+	writel(val, base + off + ct + idx * sizeof(u32));
 	return 0;
 }
 
@@ -1148,7 +1148,7 @@ static u32 vntb_epf_peer_spad_read(struct ntb_dev *ndev, int pidx, int idx)
 	void __iomem *base = ntb->reg;
 	u32 val;
 
-	val = readl(base + off + idx * 4);
+	val = readl(base + off + idx * sizeof(u32));
 	return val;
 }
 
@@ -1159,7 +1159,7 @@ static int vntb_epf_peer_spad_write(struct ntb_dev *ndev, int pidx, int idx, u32
 	int off = ctrl->spad_offset;
 	void __iomem *base = ntb->reg;
 
-	writel(val, base + off + idx * 4);
+	writel(val, base + off + idx * sizeof(u32));
 	return 0;
 }
 
-- 
2.34.1


  parent reply	other threads:[~2022-10-07 19:14 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-07 19:13 [PATCH v12 5/6] PCI: endpoint: pci-epf-vntb: Clean up Frank Li
2022-10-07 19:13 ` [PATCH v13 1/6] PCI: endpoint: pci-epf-vntb: Clean up kernel_doc warning Frank Li
2022-10-17 20:06   ` Frank Li
2022-10-19 16:25   ` Bjorn Helgaas
2022-10-19 16:28     ` [EXT] " Frank Li
2022-10-07 19:13 ` [PATCH v13 2/6] PCI: endpoint: pci-epf-vntb: Fix indentation of the struct epf_ntb_ctrl Frank Li
2022-10-07 19:13 ` [PATCH v13 3/6] PCI: endpoint: pci-epf-vntb: fix call pci_epc_mem_free_addr at err path Frank Li
2022-10-07 19:13 ` [PATCH v13 4/6] PCI: endpoint: pci-epf-vntb: remove unused field epf_db_phy Frank Li
2022-10-07 19:13 ` Frank Li [this message]
2022-10-07 19:13 ` [PATCH v13 6/6] PCI: endpoint: pci-epf-vntb: fix sparse build warning Frank Li
2022-10-27 10:42   ` Lorenzo Pieralisi
2022-10-27 14:27     ` [EXT] " Frank Li
2022-10-07 19:17 ` [EXT] [PATCH v12 5/6] PCI: endpoint: pci-epf-vntb: Clean up Frank Li

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