linux-kernel - [PATCH] spi: dw: fixed missing resource

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Date:   Mon, 23 Nov 2020 15:02:55 +0800
From:   Tian Tao <tiantao6@...ilicon.com>
To:     <fancer.lancer@...il.com>, <broonie@...nel.org>,
        <linux-spi@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] spi: dw: fixed missing resource_size

fixed the coccicheck:
drivers/spi/spi-dw-bt1.c:220:27-30: ERROR: Missing
resource_size with mem.

Signed-off-by: Tian Tao <tiantao6@...ilicon.com>
---
 drivers/spi/spi-dw-bt1.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/spi-dw-bt1.c b/drivers/spi/spi-dw-bt1.c
index f382dfad..da4f4d8 100644
--- a/drivers/spi/spi-dw-bt1.c
+++ b/drivers/spi/spi-dw-bt1.c
@@ -217,7 +217,7 @@ static int dw_spi_bt1_sys_init(struct platform_device *pdev,
 	if (mem) {
 		dwsbt1->map = devm_ioremap_resource(&pdev->dev, mem);
 		if (!IS_ERR(dwsbt1->map)) {
-			dwsbt1->map_len = (mem->end - mem->start + 1);
+			dwsbt1->map_len = resource_size(mem);
 			dws->mem_ops.dirmap_create = dw_spi_bt1_dirmap_create;
 			dws->mem_ops.dirmap_read = dw_spi_bt1_dirmap_read;
 		} else {
-- 
2.7.4