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-rw-r--r--drivers/net/wireless/wl12xx/sdio.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/sdio.c b/drivers/net/wireless/wl12xx/sdio.c
index 468a50553fac..099c2c9c1a2d 100644
--- a/drivers/net/wireless/wl12xx/sdio.c
+++ b/drivers/net/wireless/wl12xx/sdio.c
@@ -74,6 +74,8 @@ static void wl12xx_sdio_raw_read(struct device *child, int addr, void *buf,
struct wl12xx_sdio_glue *glue = dev_get_drvdata(child->parent);
struct sdio_func *func = dev_to_sdio_func(glue->dev);
+ sdio_claim_host(func);
+
if (unlikely(addr == HW_ACCESS_ELP_CTRL_REG_ADDR)) {
((u8 *)buf)[0] = sdio_f0_readb(func, addr, &ret);
dev_dbg(child->parent, "sdio read 52 addr 0x%x, byte 0x%02x\n",
@@ -88,6 +90,8 @@ static void wl12xx_sdio_raw_read(struct device *child, int addr, void *buf,
addr, len);
}
+ sdio_release_host(func);
+
if (ret)
dev_err(child->parent, "sdio read failed (%d)\n", ret);
}
@@ -99,6 +103,8 @@ static void wl12xx_sdio_raw_write(struct device *child, int addr, void *buf,
struct wl12xx_sdio_glue *glue = dev_get_drvdata(child->parent);
struct sdio_func *func = dev_to_sdio_func(glue->dev);
+ sdio_claim_host(func);
+
if (unlikely(addr == HW_ACCESS_ELP_CTRL_REG_ADDR)) {
sdio_f0_writeb(func, ((u8 *)buf)[0], addr, &ret);
dev_dbg(child->parent, "sdio write 52 addr 0x%x, byte 0x%02x\n",
@@ -113,6 +119,8 @@ static void wl12xx_sdio_raw_write(struct device *child, int addr, void *buf,
ret = sdio_memcpy_toio(func, addr, buf, len);
}
+ sdio_release_host(func);
+
if (ret)
dev_err(child->parent, "sdio write failed (%d)\n", ret);
}
@@ -136,6 +144,7 @@ static int wl12xx_sdio_power_on(struct wl12xx_sdio_glue *glue)
sdio_claim_host(func);
sdio_enable_func(func);
+ sdio_release_host(func);
out:
return ret;
@@ -146,6 +155,7 @@ static int wl12xx_sdio_power_off(struct wl12xx_sdio_glue *glue)
int ret;
struct sdio_func *func = dev_to_sdio_func(glue->dev);
+ sdio_claim_host(func);
sdio_disable_func(func);
sdio_release_host(func);