mt76: mt7663s: use NULL instead of 0 in sdio code

Fix the following sparse warnings in mt7663s driver:

drivers/net/wireless/mediatek/mt76/mt7615/sdio_mcu.c:78:62: warning:
Using plain integer as NULL pointer
drivers/net/wireless/mediatek/mt76/mt7615/sdio_mcu.c:110:62: warning:
Using plain integer as NULL pointer
drivers/net/wireless/mediatek/mt76/mt7615/sdio_txrx.c:229:64: warning:
Using plain integer as NULL pointer
drivers/net/wireless/mediatek/mt76/mt7615/sdio_txrx.c:263:64: warning:
Using plain integer as NULL pointer

Fixes: a66cbdd6573d ("mt76: mt7615: introduce mt7663s support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/sdio_mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/sdio_mcu.c
index 953b589..53fb601 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7615/sdio_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/sdio_mcu.c
@@ -75,7 +75,7 @@ static int mt7663s_mcu_drv_pmctrl(struct mt7615_dev *dev)
 
        sdio_claim_host(func);
 
-       sdio_writel(func, WHLPCR_FW_OWN_REQ_CLR, MCR_WHLPCR, 0);
+       sdio_writel(func, WHLPCR_FW_OWN_REQ_CLR, MCR_WHLPCR, NULL);
 
        ret = readx_poll_timeout(mt7663s_read_pcr, dev, status,
                                 status & WHLPCR_IS_DRIVER_OWN, 2000, 1000000);
@@ -107,7 +107,7 @@ static int mt7663s_mcu_fw_pmctrl(struct mt7615_dev *dev)
 
        sdio_claim_host(func);
 
-       sdio_writel(func, WHLPCR_FW_OWN_REQ_SET, MCR_WHLPCR, 0);
+       sdio_writel(func, WHLPCR_FW_OWN_REQ_SET, MCR_WHLPCR, NULL);
 
        ret = readx_poll_timeout(mt7663s_read_pcr, dev, status,
                                 !(status & WHLPCR_IS_DRIVER_OWN), 2000, 1000000);

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/sdio_txrx.c b/drivers/net/wireless/mediatek/mt76/mt7615/sdio_txrx.c
index c945b4e..66d8652 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7615/sdio_txrx.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/sdio_txrx.c
@@ -226,7 +226,7 @@ void mt7663s_rx_work(struct work_struct *work)
 
        /* disable interrupt */
        sdio_claim_host(sdio->func);
-       sdio_writel(sdio->func, WHLPCR_INT_EN_CLR, MCR_WHLPCR, 0);
+       sdio_writel(sdio->func, WHLPCR_INT_EN_CLR, MCR_WHLPCR, NULL);
        sdio_readsb(sdio->func, &intr, MCR_WHISR, sizeof(struct mt76s_intr));
        sdio_release_host(sdio->func);
 
@@ -260,7 +260,7 @@ void mt7663s_rx_work(struct work_struct *work)
 
        /* enable interrupt */
        sdio_claim_host(sdio->func);
-       sdio_writel(sdio->func, WHLPCR_INT_EN_SET, MCR_WHLPCR, 0);
+       sdio_writel(sdio->func, WHLPCR_INT_EN_SET, MCR_WHLPCR, NULL);
        sdio_release_host(sdio->func);
 }