[PATCH v1 1/1] mmc: dw_mmc: Use device_property_string_array_count()

From: Andy Shevchenko
Date: Wed Feb 02 2022 - 13:24:43 EST


Use device_property_string_array_count() to get number of strings
in a string array property.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/mmc/host/dw_mmc.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 99b201921954..3420a7ad6098 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -3057,8 +3057,7 @@ static void dw_mci_init_dma(struct dw_mci *host)
dev_info(host->dev, "Using internal DMA controller.\n");
} else {
/* TRANS_MODE_EDMAC: check dma bindings again */
- if ((device_property_read_string_array(dev, "dma-names",
- NULL, 0) < 0) ||
+ if ((device_property_string_array_count(dev, "dma-names") < 0) ||
!device_property_present(dev, "dmas")) {
goto no_dma;
}
--
2.34.1