redonkable/remarkable-linux
redonkable/remarkable-linux
1
0
Fork 0
Code Releases Activity

mmc: sdhi: add OF support, make platform data optional

Browse source 
Add primitive support for OF to the SDHI TMIO glue, which also makes it
necessary to be able to run without platform data.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Guennadi Liakhovetski 2012-05-01 18:03:43 +02:00 committed by Chris Ball
parent 3071cafb7f
commit c7bb4487a3
1 changed files with 23 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

35
drivers/mmc/host/sh_mobile_sdhi.c
View file

@ -21,6 +21,7 @@
#include <linux/kernel.h>
#include <linux/clk.h>
#include <linux/slab.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/mmc/host.h>
@ -133,12 +134,14 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev)
}
mmc_data = &priv->mmc_data;
p->pdata = mmc_data;
if (p->init) {
ret = p->init(pdev, &sdhi_ops);
if (ret)
goto einit;
if (p) {
p->pdata = mmc_data;
if (p->init) {
ret = p->init(pdev, &sdhi_ops);
if (ret)
goto einit;
}
}
snprintf(clk_name, sizeof(clk_name), "sdhi%d", pdev->id);
@ -149,10 +152,6 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev)
goto eclkget;
}
if (p->set_pwr)
mmc_data->set_pwr = sh_mobile_sdhi_set_pwr;
if (p->get_cd)
mmc_data->get_cd = sh_mobile_sdhi_get_cd;
mmc_data->clk_enable = sh_mobile_sdhi_clk_enable;
mmc_data->clk_disable = sh_mobile_sdhi_clk_disable;
mmc_data->capabilities = MMC_CAP_MMC_HIGHSPEED;
@ -164,6 +163,10 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev)
mmc_data->capabilities |= p->tmio_caps;
mmc_data->capabilities2 |= p->tmio_caps2;
mmc_data->cd_gpio = p->cd_gpio;
if (p->set_pwr)
mmc_data->set_pwr = sh_mobile_sdhi_set_pwr;
if (p->get_cd)
mmc_data->get_cd = sh_mobile_sdhi_get_cd;
if (p->dma_slave_tx > 0 && p->dma_slave_rx > 0) {
priv->param_tx.slave_id = p->dma_slave_tx;
@ -269,7 +272,7 @@ eirq_card_detect:
eprobe:
clk_put(priv->clk);
eclkget:
if (p->cleanup)
if (p && p->cleanup)
p->cleanup(pdev);
einit:
kfree(priv);
@ -284,7 +287,8 @@ static int sh_mobile_sdhi_remove(struct platform_device *pdev)
struct sh_mobile_sdhi_info *p = pdev->dev.platform_data;
int i = 0, irq;
p->pdata = NULL;
if (p)
p->pdata = NULL;
tmio_mmc_host_remove(host);
@ -297,7 +301,7 @@ static int sh_mobile_sdhi_remove(struct platform_device *pdev)
clk_put(priv->clk);
if (p->cleanup)
if (p && p->cleanup)
p->cleanup(pdev);
kfree(priv);
@ -312,11 +316,18 @@ static const struct dev_pm_ops tmio_mmc_dev_pm_ops = {
.runtime_resume = tmio_mmc_host_runtime_resume,
};
static const struct of_device_id sh_mobile_sdhi_of_match[] = {
{ .compatible = "renesas,shmobile-sdhi" },
{ }
};
MODULE_DEVICE_TABLE(of, sh_mobile_sdhi_of_match);
static struct platform_driver sh_mobile_sdhi_driver = {
.driver = {
.name = "sh_mobile_sdhi",
.owner = THIS_MODULE,
.pm = &tmio_mmc_dev_pm_ops,
.of_match_table = sh_mobile_sdhi_of_match,
},
.probe = sh_mobile_sdhi_probe,
.remove = __devexit_p(sh_mobile_sdhi_remove),