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Commit be9cd7b6 authored by Magnus Damm's avatar Magnus Damm Committed by Paul Mundt
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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: default avatarMagnus Damm <damm@opensource.se>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent c60f55fa

drivers/mfd/sh_mobile_sdhi.c

+11 −0
Original line number Diff line number Diff line
@@ -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;

include/linux/mfd/sh_mobile_sdhi.h

0 → 100644
+8 −0
Original line number Diff line number Diff line 
#ifndef __SH_MOBILE_SDHI_H__

#define __SH_MOBILE_SDHI_H__



struct sh_mobile_sdhi_info {

	void (*set_pwr)(struct platform_device *pdev, int state);

};



#endif /* __SH_MOBILE_SDHI_H__ */