[PATCH 4/4] mfd: db8500 stop passing around platform data

Arnd Bergmann
2016-05-10T14:04:46Z

Except for the constant DB8500_PRCMU_FW_VERSION_OFFSET number, nothing
is ever passed through the platform data and used in a driver, so we
can simply stop passing it around.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
arch/arm/mach-ux500/cpu-db8500.c | 17 ++--------------
arch/arm/mach-ux500/setup.h | 1 -
drivers/mfd/ab8500-core.c | 4 ----
drivers/mfd/ab8500-sysctrl.c | 34 -------------------------------
drivers/mfd/db8500-prcmu.c | 10 +++------
include/linux/mfd/abx500/ab8500-sysctrl.h | 6 ------
include/linux/mfd/dbx500-prcmu.h | 10 ---------
7 files changed, 5 insertions(+), 77 deletions(-)

diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c
index c015ef8dd535..bbd1b4b8d441 100644
--- a/arch/arm/mach-ux500/cpu-db8500.c
+++ b/arch/arm/mach-ux500/cpu-db8500.c
@@ -16,8 +16,6 @@
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/io.h>
-#include <linux/mfd/abx500/ab8500.h>
-#include <linux/mfd/dbx500-prcmu.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/perf/arm_pmu.h>
@@ -32,15 +30,6 @@
#include "db8500-regs.h"
#include "id.h"

-static struct ab8500_platform_data ab8500_platdata = {
-};
-
-static struct prcmu_pdata db8500_prcmu_pdata = {
- .ab_platdata = &ab8500_platdata,
- .version_offset = DB8500_PRCMU_FW_VERSION_OFFSET,
- .legacy_offset = DB8500_PRCMU_LEGACY_OFFSET,
-};
-
static void __init u8500_map_io(void)
{
debug_ll_io_init();
@@ -109,8 +98,7 @@ static struct of_dev_auxdata u8500_auxdata_lookup[] __initdata = {
OF_DEV_AUXDATA("stericsson,ux500-msp-i2s", 0x80125000,
"ux500-msp-i2s.3", &msp3_platform_data),
/* Requires non-DT:able platform data. */
- OF_DEV_AUXDATA("stericsson,db8500-prcmu", 0x80157000, "db8500-prcmu",
- &db8500_prcmu_pdata),
+ OF_DEV_AUXDATA("stericsson,db8500-prcmu", 0x80157000, "db8500-prcmu", NULL),
OF_DEV_AUXDATA("stericsson,ux500-cryp", 0xa03cb000, "cryp1", NULL),
OF_DEV_AUXDATA("stericsson,ux500-hash", 0xa03c2000, "hash1", NULL),
OF_DEV_AUXDATA("stericsson,snd-soc-mop500", 0, "snd-soc-mop500.0",
@@ -119,8 +107,7 @@ static struct of_dev_auxdata u8500_auxdata_lookup[] __initdata = {
};

static struct of_dev_auxdata u8540_auxdata_lookup[] __initdata = {
- OF_DEV_AUXDATA("stericsson,db8500-prcmu", 0x80157000, "db8500-prcmu",
- &db8500_prcmu_pdata),
+ OF_DEV_AUXDATA("stericsson,db8500-prcmu", 0x80157000, "db8500-prcmu", NULL),
{},
};

diff --git a/arch/arm/mach-ux500/setup.h b/arch/arm/mach-ux500/setup.h
index c704254ab67c..e606847c8b58 100644
--- a/arch/arm/mach-ux500/setup.h
+++ b/arch/arm/mach-ux500/setup.h
@@ -13,7 +13,6 @@

#include <asm/mach/arch.h>
#include <linux/init.h>
-#include <linux/mfd/abx500/ab8500.h>

void ux500_restart(enum reboot_mode mode, const char *cmd);

diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
index f3d689176fc2..589eebfc13df 100644
--- a/drivers/mfd/ab8500-core.c
+++ b/drivers/mfd/ab8500-core.c
@@ -1087,7 +1087,6 @@ static int ab8500_probe(struct platform_device *pdev)
"Vbus Detect (USB)",
"USB ID Detect",
"UART Factory Mode Detect"};
- struct ab8500_platform_data *plat = dev_get_platdata(&pdev->dev);
const struct platform_device_id *platid = platform_get_device_id(pdev);
enum ab8500_version version = AB8500_VERSION_UNDEFINED;
struct device_node *np = pdev->dev.of_node;
@@ -1219,9 +1218,6 @@ static int ab8500_probe(struct platform_device *pdev)
pr_cont("None\n");
}

- if (plat && plat->init)
- plat->init(ab8500);
-
if (is_ab9540(ab8500)) {
ret = get_register_interruptible(ab8500, AB8500_CHARGER,
AB8500_CH_USBCH_STAT1_REG, &value);
diff --git a/drivers/mfd/ab8500-sysctrl.c b/drivers/mfd/ab8500-sysctrl.c
index b9f0010309f9..207cc497958a 100644
--- a/drivers/mfd/ab8500-sysctrl.c
+++ b/drivers/mfd/ab8500-sysctrl.c
@@ -127,45 +127,11 @@ EXPORT_SYMBOL(ab8500_sysctrl_write);

static int ab8500_sysctrl_probe(struct platform_device *pdev)
{
- struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent);
- struct ab8500_platform_data *plat;
- struct ab8500_sysctrl_platform_data *pdata;
-
- plat = dev_get_platdata(pdev->dev.parent);
-
- if (!plat)
- return -EINVAL;
-
sysctrl_dev = &pdev->dev;

if (!pm_power_off)
pm_power_off = ab8500_power_off;

- pdata = plat->sysctrl;
- if (pdata) {
- int last, ret, i, j;
-
- if (is_ab8505(ab8500))
- last = AB8500_SYSCLKREQ4RFCLKBUF;
- else
- last = AB8500_SYSCLKREQ8RFCLKBUF;
-
- for (i = AB8500_SYSCLKREQ1RFCLKBUF; i <= last; i++) {
- j = i - AB8500_SYSCLKREQ1RFCLKBUF;
- ret = ab8500_sysctrl_write(i, 0xff,
- pdata->initial_req_buf_config[j]);
- dev_dbg(&pdev->dev,
- "Setting SysClkReq%dRfClkBuf 0x%X\n",
- j + 1,
- pdata->initial_req_buf_config[j]);
- if (ret < 0) {
- dev_err(&pdev->dev,
- "Can't set sysClkReq%dRfClkBuf: %d\n",
- j + 1, ret);
- }
- }
- }
-
return 0;
}

diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c
index c0a86aeb1733..388e268b9bcf 100644
--- a/drivers/mfd/db8500-prcmu.c
+++ b/drivers/mfd/db8500-prcmu.c
@@ -3094,8 +3094,7 @@ static void db8500_prcmu_update_cpufreq(void)
}
}

-static int db8500_prcmu_register_ab8500(struct device *parent,
- struct ab8500_platform_data *pdata)
+static int db8500_prcmu_register_ab8500(struct device *parent)
{
struct device_node *np;
struct resource ab8500_resource;
@@ -3103,8 +3102,6 @@ static int db8500_prcmu_register_ab8500(struct device *parent,
.name = "ab8500-core",
.of_compatible = "stericsson,ab8500",
.id = AB8500_VERSION_AB8500,
- .platform_data = pdata,
- .pdata_size = sizeof(struct ab8500_platform_data),
.resources = &ab8500_resource,
.num_resources = 1,
};
@@ -3133,7 +3130,6 @@ static int db8500_prcmu_register_ab8500(struct device *parent,
static int db8500_prcmu_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
- struct prcmu_pdata *pdata = dev_get_platdata(&pdev->dev);
int irq = 0, err = 0;
struct resource *res;

@@ -3149,7 +3145,7 @@ static int db8500_prcmu_probe(struct platform_device *pdev)
return -ENOMEM;
}
init_prcm_registers();
- dbx500_fw_version_init(pdev, pdata->version_offset);
+ dbx500_fw_version_init(pdev, DB8500_PRCMU_FW_VERSION_OFFSET);
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "prcmu-tcdm");
if (!res) {
dev_err(&pdev->dev, "no prcmu tcdm region provided\n");
@@ -3204,7 +3200,7 @@ static int db8500_prcmu_probe(struct platform_device *pdev)
}
}

- err = db8500_prcmu_register_ab8500(&pdev->dev, pdata->ab_platdata);
+ err = db8500_prcmu_register_ab8500(&pdev->dev);
if (err) {
mfd_remove_devices(&pdev->dev);
pr_err("prcmu: Failed to add ab8500 subdevice\n");
diff --git a/include/linux/mfd/abx500/ab8500-sysctrl.h b/include/linux/mfd/abx500/ab8500-sysctrl.h
index 689312745b2f..01024d1aed0e 100644
--- a/include/linux/mfd/abx500/ab8500-sysctrl.h
+++ b/include/linux/mfd/abx500/ab8500-sysctrl.h
@@ -37,12 +37,6 @@ static inline int ab8500_sysctrl_clear(u16 reg, u8 bits)
return ab8500_sysctrl_write(reg, bits, 0);
}

-/* Configuration data for SysClkReq1RfClkBuf - SysClkReq8RfClkBuf */
-struct ab8500_sysctrl_platform_data {
- u8 initial_req_buf_config[8];
- u16 (*reboot_reason_code)(const char *cmd);
-};
-
/* Registers */
#define AB8500_TURNONSTATUS 0x100
#define AB8500_RESETSTATUS 0x101
diff --git a/include/linux/mfd/dbx500-prcmu.h b/include/linux/mfd/dbx500-prcmu.h
index bf5109d38a26..5d374601404c 100644
--- a/include/linux/mfd/dbx500-prcmu.h
+++ b/include/linux/mfd/dbx500-prcmu.h
@@ -178,16 +178,6 @@ enum ddr_pwrst {

#define DB8500_PRCMU_LEGACY_OFFSET 0xDD4

-struct prcmu_pdata
-{
- bool enable_set_ddr_opp;
- bool enable_ape_opp_100_voltage;
- struct ab8500_platform_data *ab_platdata;
- u32 version_offset;
- u32 legacy_offset;
- u32 adt_offset;
-};
-
#define PRCMU_FW_PROJECT_U8500 2
#define PRCMU_FW_PROJECT_U8400 3
#define PRCMU_FW_PROJECT_U9500 4 /* Customer specific */
--
2.7.0