[PATCH 5/9] mmc: sdhci: use lower_32_bit2() and upper_32_bits() for setting adma_addr

Masahiro Yamada yamada.masahiro at socionext.com
Tue Feb 4 12:09:02 CET 2020


Use {lower,upper}_32_bits() instead of the combination of cast
and shift.

Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>
---

 drivers/mmc/sdhci.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index b4713e7b9bba..fefe81016eb1 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -153,9 +153,10 @@ static void sdhci_prepare_dma(struct sdhci_host *host, struct mmc_data *data,
 	} else if (host->flags & (USE_ADMA | USE_ADMA64)) {
 		sdhci_prepare_adma_table(host, data);
 
-		sdhci_writel(host, (u32)host->adma_addr, SDHCI_ADMA_ADDRESS);
+		sdhci_writel(host, lower_32_bits(host->adma_addr),
+			     SDHCI_ADMA_ADDRESS);
 		if (host->flags & USE_ADMA64)
-			sdhci_writel(host, (u64)host->adma_addr >> 32,
+			sdhci_writel(host, upper_32_bits(host->adma_addr),
 				     SDHCI_ADMA_ADDRESS_HI);
 	}
 
-- 
2.17.1



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