linux-kernel - [PATCH v1 1/1] mmc: dw_mmc: Use device_property_string_array

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Date:   Wed,  2 Feb 2022 20:24:50 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Ulf Hansson <ulf.hansson@...aro.org>, linux-mmc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Jaehoon Chung <jh80.chung@...sung.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1 1/1] mmc: dw_mmc: Use device_property_string_array_count()

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

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 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