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| author | Rajendra Nayak <rnayak@ti.com> | 2012-03-12 04:29:58 -0600 |
|---|---|---|
| committer | Paul Walmsley <paul@pwsan.com> | 2012-03-12 04:29:58 -0600 |
| commit | 387ca5bf4fe2297c93869b6f639afa8d849fb877 (patch) | |
| tree | 1db68a3fc7a4df95e1400850401c7ab853187d46 /arch/arm/mach-omap2 | |
| parent | fde7d9049e55ab85a390be7f415d74c9f62dd0f9 (diff) | |
| download | blackbird-op-linux-387ca5bf4fe2297c93869b6f639afa8d849fb877.tar.gz blackbird-op-linux-387ca5bf4fe2297c93869b6f639afa8d849fb877.zip | |
ARM: OMAP: hwmod: Use sysc_fields->srst_shift and get rid of hardcoded SYSC_TYPE2_SOFTRESET_MASK
This is useful when we have broken type2 compliant IPs' where
the softreset shift is not the same as SYSC_TYPE2_SOFTRESET_SHIFT
and hence is overridden using sysc_fields->srst_shift.
We have at least one such instance now with onchip keypad on OMAP5
which has a different softreset shift as compared to other type2
IPs'.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Balaji TK <balajitk@ti.com>
Tested-by: Sourav Poddar <sourav.poddar@ti.com>
Acked-by: Benoît Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Diffstat (limited to 'arch/arm/mach-omap2')
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index eba6cd3816f5..f9b9bb9c3e32 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -1395,7 +1395,7 @@ static int _read_hardreset(struct omap_hwmod *oh, const char *name) */ static int _ocp_softreset(struct omap_hwmod *oh) { - u32 v; + u32 v, softrst_mask; int c = 0; int ret = 0; @@ -1427,11 +1427,13 @@ static int _ocp_softreset(struct omap_hwmod *oh) oh->class->sysc->syss_offs) & SYSS_RESETDONE_MASK), MAX_MODULE_SOFTRESET_WAIT, c); - else if (oh->class->sysc->sysc_flags & SYSC_HAS_RESET_STATUS) + else if (oh->class->sysc->sysc_flags & SYSC_HAS_RESET_STATUS) { + softrst_mask = (0x1 << oh->class->sysc->sysc_fields->srst_shift); omap_test_timeout(!(omap_hwmod_read(oh, oh->class->sysc->sysc_offs) - & SYSC_TYPE2_SOFTRESET_MASK), + & softrst_mask), MAX_MODULE_SOFTRESET_WAIT, c); + } if (c == MAX_MODULE_SOFTRESET_WAIT) pr_warning("omap_hwmod: %s: softreset failed (waited %d usec)\n", |
