Contributors: 18
Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
Tony Lindgren |
289 |
45.73% |
6 |
18.75% |
Kishore Kadiyala |
226 |
35.76% |
4 |
12.50% |
Faiz Abbas |
43 |
6.80% |
1 |
3.12% |
Andreas Fenkart |
12 |
1.90% |
2 |
6.25% |
David Brownell |
12 |
1.90% |
2 |
6.25% |
Adrian Hunter |
11 |
1.74% |
5 |
15.62% |
Aaro Koskinen |
10 |
1.58% |
1 |
3.12% |
Grazvydas Ignotas |
5 |
0.79% |
1 |
3.12% |
Kevin Hilman |
4 |
0.63% |
1 |
3.12% |
Stanley Miao |
4 |
0.63% |
1 |
3.12% |
Wei Yongjun |
3 |
0.47% |
1 |
3.12% |
Igor Grinberg |
2 |
0.32% |
1 |
3.12% |
Madhusudhan Chikkature |
2 |
0.32% |
1 |
3.12% |
Thomas Gleixner |
2 |
0.32% |
1 |
3.12% |
H. Nikolaus Schaller |
2 |
0.32% |
1 |
3.12% |
Sukumar Ghorai |
2 |
0.32% |
1 |
3.12% |
Paul Walmsley |
2 |
0.32% |
1 |
3.12% |
Javier Martinez Canillas |
1 |
0.16% |
1 |
3.12% |
Total |
632 |
|
32 |
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/arm/mach-omap2/hsmmc.c
*
* Copyright (C) 2007-2008 Texas Instruments
* Copyright (C) 2008 Nokia Corporation
* Author: Texas Instruments
*/
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/delay.h>
#include <linux/mmc/host.h>
#include <linux/platform_data/hsmmc-omap.h>
#include "soc.h"
#include "omap_device.h"
#include "hsmmc.h"
#include "control.h"
#if IS_ENABLED(CONFIG_MMC_OMAP_HS)
static u16 control_pbias_offset;
static u16 control_devconf1_offset;
#define HSMMC_NAME_LEN 9
static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c,
struct omap_hsmmc_platform_data *mmc)
{
char *hc_name;
hc_name = kzalloc(HSMMC_NAME_LEN + 1, GFP_KERNEL);
if (!hc_name) {
kfree(hc_name);
return -ENOMEM;
}
snprintf(hc_name, (HSMMC_NAME_LEN + 1), "mmc%islot%i", c->mmc, 1);
mmc->name = hc_name;
mmc->caps = c->caps;
mmc->reg_offset = 0;
return 0;
}
static int omap_hsmmc_done;
void omap_hsmmc_late_init(struct omap2_hsmmc_info *c)
{
struct platform_device *pdev;
int res;
if (omap_hsmmc_done)
return;
omap_hsmmc_done = 1;
for (; c->mmc; c++) {
pdev = c->pdev;
if (!pdev)
continue;
res = omap_device_register(pdev);
if (res)
pr_err("Could not late init MMC\n");
}
}
#define MAX_OMAP_MMC_HWMOD_NAME_LEN 16
static void __init omap_hsmmc_init_one(struct omap2_hsmmc_info *hsmmcinfo,
int ctrl_nr)
{
struct omap_hwmod *oh;
struct omap_hwmod *ohs[1];
struct omap_device *od;
struct platform_device *pdev;
char oh_name[MAX_OMAP_MMC_HWMOD_NAME_LEN];
struct omap_hsmmc_platform_data *mmc_data;
struct omap_hsmmc_dev_attr *mmc_dev_attr;
char *name;
int res;
mmc_data = kzalloc(sizeof(*mmc_data), GFP_KERNEL);
if (!mmc_data)
return;
res = omap_hsmmc_pdata_init(hsmmcinfo, mmc_data);
if (res < 0)
goto free_mmc;
name = "omap_hsmmc";
res = snprintf(oh_name, MAX_OMAP_MMC_HWMOD_NAME_LEN,
"mmc%d", ctrl_nr);
WARN(res >= MAX_OMAP_MMC_HWMOD_NAME_LEN,
"String buffer overflow in MMC%d device setup\n", ctrl_nr);
oh = omap_hwmod_lookup(oh_name);
if (!oh) {
pr_err("Could not look up %s\n", oh_name);
goto free_name;
}
ohs[0] = oh;
if (oh->dev_attr != NULL) {
mmc_dev_attr = oh->dev_attr;
mmc_data->controller_flags = mmc_dev_attr->flags;
}
pdev = platform_device_alloc(name, ctrl_nr - 1);
if (!pdev) {
pr_err("Could not allocate pdev for %s\n", name);
goto free_name;
}
dev_set_name(&pdev->dev, "%s.%d", pdev->name, pdev->id);
od = omap_device_alloc(pdev, ohs, 1);
if (IS_ERR(od)) {
pr_err("Could not allocate od for %s\n", name);
goto put_pdev;
}
res = platform_device_add_data(pdev, mmc_data,
sizeof(struct omap_hsmmc_platform_data));
if (res) {
pr_err("Could not add pdata for %s\n", name);
goto put_pdev;
}
hsmmcinfo->pdev = pdev;
res = omap_device_register(pdev);
if (res) {
pr_err("Could not register od for %s\n", name);
goto free_od;
}
goto free_mmc;
free_od:
omap_device_delete(od);
put_pdev:
platform_device_put(pdev);
free_name:
kfree(mmc_data->name);
free_mmc:
kfree(mmc_data);
}
void __init omap_hsmmc_init(struct omap2_hsmmc_info *controllers)
{
if (omap_hsmmc_done)
return;
omap_hsmmc_done = 1;
if (cpu_is_omap2430()) {
control_pbias_offset = OMAP243X_CONTROL_PBIAS_LITE;
control_devconf1_offset = OMAP243X_CONTROL_DEVCONF1;
} else {
control_pbias_offset = OMAP343X_CONTROL_PBIAS_LITE;
control_devconf1_offset = OMAP343X_CONTROL_DEVCONF1;
}
for (; controllers->mmc; controllers++)
omap_hsmmc_init_one(controllers, controllers->mmc);
}
#endif