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authorMagnus Damm <damm@opensource.se>2009-11-27 04:31:27 +0000
committerPaul Mundt <lethal@linux-sh.org>2009-11-30 12:01:24 +0900
commitbe9cd7b6f84fd0cc59c8770771073b5c66f958ac (patch)
tree6ecc43a8424b87828131c4ed2a4a45ca812db847 /drivers/mfd/sh_mobile_sdhi.c
parentc60f55fa1f82984bbb168c7721db893451f9de6c (diff)
mfd: Add power control platform data to SDHI driver
This patch adds platform data with a function for power control to the SDHI driver. The idea is that board specific code can provide their own functions so power can be enabled and disabled for the sd-cards. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/mfd/sh_mobile_sdhi.c')
-rw-r--r--drivers/mfd/sh_mobile_sdhi.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/mfd/sh_mobile_sdhi.c b/drivers/mfd/sh_mobile_sdhi.c
index 56f72cc1d56..03efae8041a 100644
--- a/drivers/mfd/sh_mobile_sdhi.c
+++ b/drivers/mfd/sh_mobile_sdhi.c
@@ -24,6 +24,7 @@
#include <linux/mfd/core.h>
#include <linux/mfd/tmio.h>
+#include <linux/mfd/sh_mobile_sdhi.h>
struct sh_mobile_sdhi {
struct clk *clk;
@@ -50,6 +51,15 @@ static struct mfd_cell sh_mobile_sdhi_cell = {
.resources = sh_mobile_sdhi_resources,
};
+static void sh_mobile_sdhi_set_pwr(struct platform_device *tmio, int state)
+{
+ struct platform_device *pdev = to_platform_device(tmio->dev.parent);
+ struct sh_mobile_sdhi_info *p = pdev->dev.platform_data;
+
+ if (p && p->set_pwr)
+ p->set_pwr(pdev, state);
+}
+
static int __init sh_mobile_sdhi_probe(struct platform_device *pdev)
{
struct sh_mobile_sdhi *priv;
@@ -87,6 +97,7 @@ static int __init sh_mobile_sdhi_probe(struct platform_device *pdev)
/* FIXME: silly const unsigned int hclk */
*(unsigned int *)&priv->mmc_data.hclk = clk_get_rate(priv->clk);
+ priv->mmc_data.set_pwr = sh_mobile_sdhi_set_pwr;
memcpy(&priv->cell_mmc, &sh_mobile_sdhi_cell, sizeof(priv->cell_mmc));
priv->cell_mmc.driver_data = &priv->mmc_data;