[PATCH 09/10] ARM: msm: Make proc_comm clock control into a platform driver
From: Stephen Boyd
Date: Thu Sep 20 2012 - 22:28:54 EST
To move closer to the generic struct clock framework move the
proc_comm based clock code to a platform driver. The data
describing the struct clks still live in the devices-$ARCH file,
but the clock initialization is done at driver binding time.
Cc: Saravana Kannan <skannan@xxxxxxxxxxxxxx>
Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
---
arch/arm/mach-msm/board-halibut.c | 2 +-
arch/arm/mach-msm/board-msm7x30.c | 2 +-
arch/arm/mach-msm/board-qsd8x50.c | 2 +-
arch/arm/mach-msm/board-trout.c | 3 +--
arch/arm/mach-msm/clock-pcom.c | 23 +++++++++++++++++++++--
arch/arm/mach-msm/clock-pcom.h | 5 +++++
arch/arm/mach-msm/clock.c | 2 +-
arch/arm/mach-msm/clock.h | 3 +++
arch/arm/mach-msm/devices-msm7x00.c | 12 ++++++++++--
arch/arm/mach-msm/devices-msm7x30.c | 11 +++++++++--
arch/arm/mach-msm/devices-qsd8x50.c | 11 +++++++++--
arch/arm/mach-msm/devices.h | 15 +++------------
arch/arm/mach-msm/include/mach/board.h | 5 -----
13 files changed, 65 insertions(+), 31 deletions(-)
diff --git a/arch/arm/mach-msm/board-halibut.c b/arch/arm/mach-msm/board-halibut.c
index 6ce542e..3c8cfe4 100644
--- a/arch/arm/mach-msm/board-halibut.c
+++ b/arch/arm/mach-msm/board-halibut.c
@@ -59,6 +59,7 @@ static struct platform_device smc91x_device = {
};
static struct platform_device *devices[] __initdata = {
+ &msm_clock_7x01a,
&msm_device_uart3,
&msm_device_smd,
&msm_device_nand,
@@ -90,7 +91,6 @@ static void __init halibut_fixup(struct tag *tags, char **cmdline,
static void __init halibut_map_io(void)
{
msm_map_common_io();
- msm_clock_init(msm_clocks_7x01a, msm_num_clocks_7x01a);
}
static void __init halibut_init_late(void)
diff --git a/arch/arm/mach-msm/board-msm7x30.c b/arch/arm/mach-msm/board-msm7x30.c
index effa6f4..22e267e 100644
--- a/arch/arm/mach-msm/board-msm7x30.c
+++ b/arch/arm/mach-msm/board-msm7x30.c
@@ -89,6 +89,7 @@ struct msm_gpiomux_config msm_gpiomux_configs[GPIOMUX_NGPIOS] = {
};
static struct platform_device *devices[] __initdata = {
+ &msm_clock_7x30,
#if defined(CONFIG_SERIAL_MSM) || defined(CONFIG_MSM_SERIAL_DEBUGGER)
&msm_device_uart2,
#endif
@@ -115,7 +116,6 @@ static void __init msm7x30_init(void)
static void __init msm7x30_map_io(void)
{
msm_map_msm7x30_io();
- msm_clock_init(msm_clocks_7x30, msm_num_clocks_7x30);
}
static void __init msm7x30_init_late(void)
diff --git a/arch/arm/mach-msm/board-qsd8x50.c b/arch/arm/mach-msm/board-qsd8x50.c
index b16b71a..4d5d7ef 100644
--- a/arch/arm/mach-msm/board-qsd8x50.c
+++ b/arch/arm/mach-msm/board-qsd8x50.c
@@ -89,6 +89,7 @@ static struct msm_otg_platform_data msm_otg_pdata = {
};
static struct platform_device *devices[] __initdata = {
+ &msm_clock_8x50,
&msm_device_uart3,
&msm_device_smd,
&msm_device_otg,
@@ -171,7 +172,6 @@ static void __init qsd8x50_init_mmc(void)
static void __init qsd8x50_map_io(void)
{
msm_map_qsd8x50_io();
- msm_clock_init(msm_clocks_8x50, msm_num_clocks_8x50);
}
static void __init qsd8x50_init_irq(void)
diff --git a/arch/arm/mach-msm/board-trout.c b/arch/arm/mach-msm/board-trout.c
index 4ba0800..c8352e7 100644
--- a/arch/arm/mach-msm/board-trout.c
+++ b/arch/arm/mach-msm/board-trout.c
@@ -36,6 +36,7 @@
extern int trout_init_mmc(unsigned int);
static struct platform_device *devices[] __initdata = {
+ &msm_clock_7x01a,
&msm_device_uart3,
&msm_device_smd,
&msm_device_nand,
@@ -93,8 +94,6 @@ static void __init trout_map_io(void)
/* route UART3 to the "H2W" extended usb connector */
writeb(0x80, TROUT_CPLD_BASE + 0x00);
#endif
-
- msm_clock_init(msm_clocks_7x01a, msm_num_clocks_7x01a);
}
static void __init trout_init_late(void)
diff --git a/arch/arm/mach-msm/clock-pcom.c b/arch/arm/mach-msm/clock-pcom.c
index bb75f8e..7c4c60a 100644
--- a/arch/arm/mach-msm/clock-pcom.c
+++ b/arch/arm/mach-msm/clock-pcom.c
@@ -14,8 +14,9 @@
*/
#include <linux/err.h>
-#include <linux/ctype.h>
-#include <linux/stddef.h>
+#include <linux/platform_device.h>
+#include <linux/module.h>
+
#include <mach/clk.h>
#include "proc_comm.h"
@@ -126,3 +127,21 @@ struct clk_ops clk_ops_pcom = {
.round_rate = pc_clk_round_rate,
.is_local = pc_clk_is_local,
};
+
+static int __devinit msm_clock_pcom_probe(struct platform_device *pdev)
+{
+ struct pcom_clk_pdata *pdata = pdev->dev.platform_data;
+ msm_clock_init(pdata->lookup, pdata->num_lookups);
+ return 0;
+}
+
+static struct platform_driver msm_clock_pcom_driver = {
+ .probe = msm_clock_pcom_probe,
+ .driver = {
+ .name = "msm-clock-pcom",
+ .owner = THIS_MODULE,
+ },
+};
+module_platform_driver(msm_clock_pcom_driver);
+
+MODULE_LICENSE("GPL v2");
diff --git a/arch/arm/mach-msm/clock-pcom.h b/arch/arm/mach-msm/clock-pcom.h
index 974d003..87406a3 100644
--- a/arch/arm/mach-msm/clock-pcom.h
+++ b/arch/arm/mach-msm/clock-pcom.h
@@ -123,6 +123,11 @@
struct clk_ops;
extern struct clk_ops clk_ops_pcom;
+struct pcom_clk_pdata {
+ struct clk_lookup *lookup;
+ u32 num_lookups;
+};
+
int pc_clk_reset(unsigned id, enum clk_reset_action action);
#define CLK_PCOM(clk_name, clk_id, clk_dev, clk_flags) { \
diff --git a/arch/arm/mach-msm/clock.c b/arch/arm/mach-msm/clock.c
index 8d07b25..01af7a4 100644
--- a/arch/arm/mach-msm/clock.c
+++ b/arch/arm/mach-msm/clock.c
@@ -116,7 +116,7 @@ EXPORT_SYMBOL(clk_get_parent);
*/
static struct clk *ebi1_clk;
-void __init msm_clock_init(struct clk_lookup *clock_tbl, unsigned num_clocks)
+void __devinit msm_clock_init(struct clk_lookup *clock_tbl, size_t num_clocks)
{
unsigned n;
diff --git a/arch/arm/mach-msm/clock.h b/arch/arm/mach-msm/clock.h
index a25ff58..cc76bfe 100644
--- a/arch/arm/mach-msm/clock.h
+++ b/arch/arm/mach-msm/clock.h
@@ -63,4 +63,7 @@ static inline int __init clock_debug_init(void) { return 0; }
static inline int __init clock_debug_add(struct clk *clock) { return 0; }
#endif
+struct clk_lookup;
+void msm_clock_init(struct clk_lookup *clock_tbl, size_t num_clocks);
+
#endif
diff --git a/arch/arm/mach-msm/devices-msm7x00.c b/arch/arm/mach-msm/devices-msm7x00.c
index 993780f..2e63a19 100644
--- a/arch/arm/mach-msm/devices-msm7x00.c
+++ b/arch/arm/mach-msm/devices-msm7x00.c
@@ -394,7 +394,7 @@ struct platform_device msm_device_mdp = {
.resource = resources_mdp,
};
-struct clk_lookup msm_clocks_7x01a[] = {
+static struct clk_lookup msm_clocks_7x01a[] = {
CLK_PCOM("adm_clk", ADM_CLK, NULL, 0),
CLK_PCOM("adsp_clk", ADSP_CLK, NULL, 0),
CLK_PCOM("ebi1_clk", EBI1_CLK, NULL, 0),
@@ -438,4 +438,12 @@ struct clk_lookup msm_clocks_7x01a[] = {
CLK_PCOM("vfe_mdc_clk", VFE_MDC_CLK, NULL, OFF),
};
-unsigned msm_num_clocks_7x01a = ARRAY_SIZE(msm_clocks_7x01a);
+static struct pcom_clk_pdata msm_clock_7x01a_pdata = {
+ .lookup = msm_clocks_7x01a,
+ .num_lookups = ARRAY_SIZE(msm_clocks_7x01a),
+};
+
+struct platform_device msm_clock_7x01a = {
+ .name = "msm-clock-pcom",
+ .dev.platform_data = &msm_clock_7x01a_pdata,
+};
diff --git a/arch/arm/mach-msm/devices-msm7x30.c b/arch/arm/mach-msm/devices-msm7x30.c
index 1597d43..a22f067 100644
--- a/arch/arm/mach-msm/devices-msm7x30.c
+++ b/arch/arm/mach-msm/devices-msm7x30.c
@@ -130,7 +130,7 @@ struct platform_device msm_device_hsusb_host = {
},
};
-struct clk_lookup msm_clocks_7x30[] = {
+static struct clk_lookup msm_clocks_7x30[] = {
CLK_PCOM("adm_clk", ADM_CLK, NULL, 0),
CLK_PCOM("adsp_clk", ADSP_CLK, NULL, 0),
CLK_PCOM("cam_m_clk", CAM_M_CLK, NULL, 0),
@@ -204,5 +204,12 @@ struct clk_lookup msm_clocks_7x30[] = {
CLK_PCOM("csi_vfe_clk", CSI0_VFE_CLK, NULL, 0),
};
-unsigned msm_num_clocks_7x30 = ARRAY_SIZE(msm_clocks_7x30);
+static struct pcom_clk_pdata msm_clock_7x30_pdata = {
+ .lookup = msm_clocks_7x30,
+ .num_lookups = ARRAY_SIZE(msm_clocks_7x30),
+};
+struct platform_device msm_clock_7x30 = {
+ .name = "msm-clock-pcom",
+ .dev.platform_data = &msm_clock_7x30_pdata,
+};
diff --git a/arch/arm/mach-msm/devices-qsd8x50.c b/arch/arm/mach-msm/devices-qsd8x50.c
index 131633b..b6c788e 100644
--- a/arch/arm/mach-msm/devices-qsd8x50.c
+++ b/arch/arm/mach-msm/devices-qsd8x50.c
@@ -291,7 +291,7 @@ int __init msm_add_sdcc(unsigned int controller,
return platform_device_register(pdev);
}
-struct clk_lookup msm_clocks_8x50[] = {
+static struct clk_lookup msm_clocks_8x50[] = {
CLK_PCOM("adm_clk", ADM_CLK, NULL, 0),
CLK_PCOM("ce_clk", CE_CLK, NULL, 0),
CLK_PCOM("ebi1_clk", EBI1_CLK, NULL, CLK_MIN),
@@ -345,5 +345,12 @@ struct clk_lookup msm_clocks_8x50[] = {
CLK_PCOM("usb_phy_clk", USB_PHY_CLK, NULL, 0),
};
-unsigned msm_num_clocks_8x50 = ARRAY_SIZE(msm_clocks_8x50);
+static struct pcom_clk_pdata msm_clock_8x50_pdata = {
+ .lookup = msm_clocks_8x50,
+ .num_lookups = ARRAY_SIZE(msm_clocks_8x50),
+};
+struct platform_device msm_clock_8x50 = {
+ .name = "msm-clock-pcom",
+ .dev.platform_data = &msm_clock_8x50_pdata,
+};
diff --git a/arch/arm/mach-msm/devices.h b/arch/arm/mach-msm/devices.h
index 9545c19..b53c96d 100644
--- a/arch/arm/mach-msm/devices.h
+++ b/arch/arm/mach-msm/devices.h
@@ -16,10 +16,6 @@
#ifndef __ARCH_ARM_MACH_MSM_DEVICES_H
#define __ARCH_ARM_MACH_MSM_DEVICES_H
-#include <linux/clkdev.h>
-
-#include "clock.h"
-
extern struct platform_device msm_device_uart1;
extern struct platform_device msm_device_uart2;
extern struct platform_device msm_device_uart3;
@@ -46,13 +42,8 @@ extern struct platform_device msm_device_mddi0;
extern struct platform_device msm_device_mddi1;
extern struct platform_device msm_device_mdp;
-extern struct clk_lookup msm_clocks_7x01a[];
-extern unsigned msm_num_clocks_7x01a;
-
-extern struct clk_lookup msm_clocks_7x30[];
-extern unsigned msm_num_clocks_7x30;
-
-extern struct clk_lookup msm_clocks_8x50[];
-extern unsigned msm_num_clocks_8x50;
+extern struct platform_device msm_clock_7x01a;
+extern struct platform_device msm_clock_7x30;
+extern struct platform_device msm_clock_8x50;
#endif
diff --git a/arch/arm/mach-msm/include/mach/board.h b/arch/arm/mach-msm/include/mach/board.h
index 0a0c393..71f19f6 100644
--- a/arch/arm/mach-msm/include/mach/board.h
+++ b/arch/arm/mach-msm/include/mach/board.h
@@ -20,16 +20,11 @@
#include <linux/types.h>
#include <mach/mmc.h>
-/* platform device data structures */
-
-struct clk_lookup;
-
/* common init routines for use by arch/arm/mach-msm/board-*.c */
void __init msm_add_devices(void);
void __init msm_init_irq(void);
void __init msm_init_gpio(void);
-void __init msm_clock_init(struct clk_lookup *clock_tbl, unsigned num_clocks);
int __init msm_add_sdcc(unsigned int controller,
struct msm_mmc_platform_data *plat,
unsigned int stat_irq, unsigned long stat_irq_flags);
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by The Linux Foundation
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/