ARM: OMAP: fix omap i2c init (regression)
In mainline, the "old style" I2C registration was only removed for
OMAP2, leading to init-time bugs (regressions) like:
sysfs: duplicate filename 'i2c_omap.1' can not be created
------------[ cut here ]------------
WARNING: at fs/sysfs/dir.c:424 sysfs_add_one+0x40/0xd4()
Modules linked in:
... deletia ...
[<c0036a38>] (omap_init_i2c+0x0/0x50) from [<c000cea8>] (omap_init_devices+0x10/0x24)
r4:c001e000
[<c000ce98>] (omap_init_devices+0x0/0x24) from [<c0008684>] (do_initcalls+0x78/0x200)
... deletia ...
---[ end trace ca143223eefdc828 ]---
kobject_add_internal failed for i2c_omap.1 with -EEXIST, don't try to register things with the same name in the same directory.
The fix is obvious: remove the old init code, it's no longer needed.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c
index c5dab1d..4a53f9b 100644
--- a/arch/arm/plat-omap/devices.c
+++ b/arch/arm/plat-omap/devices.c
@@ -89,68 +89,6 @@
#endif /* CONFIG_OMAP_DSP */
/*-------------------------------------------------------------------------*/
-#if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
-
-#define OMAP1_I2C_BASE 0xfffb3800
-#define OMAP2_I2C_BASE1 0x48070000
-#define OMAP_I2C_SIZE 0x3f
-#define OMAP1_I2C_INT INT_I2C
-#define OMAP2_I2C_INT1 56
-
-static struct resource i2c_resources1[] = {
- {
- .start = 0,
- .end = 0,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = 0,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-/* DMA not used; works around erratum writing to non-empty i2c fifo */
-
-static struct platform_device omap_i2c_device1 = {
- .name = "i2c_omap",
- .id = 1,
- .num_resources = ARRAY_SIZE(i2c_resources1),
- .resource = i2c_resources1,
-};
-
-/* See also arch/arm/mach-omap2/devices.c for second I2C on 24xx */
-static void omap_init_i2c(void)
-{
- if (cpu_is_omap24xx()) {
- i2c_resources1[0].start = OMAP2_I2C_BASE1;
- i2c_resources1[0].end = OMAP2_I2C_BASE1 + OMAP_I2C_SIZE;
- i2c_resources1[1].start = OMAP2_I2C_INT1;
- } else {
- i2c_resources1[0].start = OMAP1_I2C_BASE;
- i2c_resources1[0].end = OMAP1_I2C_BASE + OMAP_I2C_SIZE;
- i2c_resources1[1].start = OMAP1_I2C_INT;
- }
-
- /* FIXME define and use a boot tag, in case of boards that
- * either don't wire up I2C, or chips that mux it differently...
- * it can include clocking and address info, maybe more.
- */
- if (cpu_is_omap24xx()) {
- omap_cfg_reg(M19_24XX_I2C1_SCL);
- omap_cfg_reg(L15_24XX_I2C1_SDA);
- } else {
- omap_cfg_reg(I2C_SCL);
- omap_cfg_reg(I2C_SDA);
- }
-
- (void) platform_device_register(&omap_i2c_device1);
-}
-
-#else
-static inline void omap_init_i2c(void) {}
-#endif
-
-/*-------------------------------------------------------------------------*/
#if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE)
static void omap_init_kp(void)
@@ -501,7 +439,6 @@
* in alphabetical order so they're easier to sort through.
*/
omap_init_dsp();
- omap_init_i2c();
omap_init_kp();
omap_init_mmc();
omap_init_uwire();