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authorHaijun Zhang <Haijun.Zhang@freescale.com>2013-08-26 05:19:24 +0400
committerChris Ball <cjb@laptop.org>2013-08-26 19:32:43 +0400
commit490104ac597b8b4c858a6a6889a60d8897181baf (patch)
tree3501c303fffc791e998089f49214cb5208085b5c /drivers/mmc
parentc0b887b66c95fe5abaac071b8332b8c21113d84b (diff)
downloadlinux-490104ac597b8b4c858a6a6889a60d8897181baf.tar.xz
mmc: esdhc: add support to get voltage from device-tree
Add suppport to get voltage from device-tree node for esdhc host, if voltage-ranges was specified in device-tree node we can get ocr_mask instead of read from host capacity register. If not voltages still can be get from host capacity register. Signed-off-by: Haijun Zhang <haijun.zhang@freescale.com> Acked-by: Anton Vorontsov <anton@enomsg.org> Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/sdhci-of-esdhc.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
index 15039e2d1c12..e328252ebf2a 100644
--- a/drivers/mmc/host/sdhci-of-esdhc.c
+++ b/drivers/mmc/host/sdhci-of-esdhc.c
@@ -316,6 +316,7 @@ static int sdhci_esdhc_probe(struct platform_device *pdev)
/* call to generic mmc_of_parse to support additional capabilities */
mmc_of_parse(host->mmc);
+ mmc_of_parse_voltage(np, &host->ocr_mask);
ret = sdhci_add_host(host);
if (ret)