[ARM] OMAP3 powerdomains: remove RET from SGX power states list

The SGX device on OMAP3 does not support retention, so remove RET from the
list of possible SGX power states.  Problem debugged by Richard Woodruff
<r-woodruff2@ti.com>.

Signed-off-by: Richard Woodruff <r-woodruff2@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/mach-omap2/powerdomains34xx.h b/arch/arm/mach-omap2/powerdomains34xx.h
index 7b63fa074b7159b8c426c6b1cf1e37e35ca060c6..15c346c627dddeae356404d6f7f02804b4416899 100644 (file)
--- a/arch/arm/mach-omap2/powerdomains34xx.h
+++ b/arch/arm/mach-omap2/powerdomains34xx.h
@@ -236,6 +236,11 @@ static struct powerdomain dss_pwrdm = {
        },
 };
 
+/*
+ * Although the 34XX TRM Rev K Table 4-371 notes that retention is a
+ * possible SGX powerstate, the SGX device itself does not support
+ * retention.
+ */
 static struct powerdomain sgx_pwrdm = {
        .name             = "sgx_pwrdm",
        .prcm_offs        = OMAP3430ES2_SGX_MOD,
@@ -243,7 +248,7 @@ static struct powerdomain sgx_pwrdm = {
        .wkdep_srcs       = gfx_sgx_wkdeps,
        .sleepdep_srcs    = cam_gfx_sleepdeps,
        /* XXX This is accurate for 3430 SGX, but what about GFX? */
-       .pwrsts           = PWRSTS_OFF_RET_ON,
+       .pwrsts           = PWRSTS_OFF_ON,
        .pwrsts_logic_ret = PWRDM_POWER_RET,
        .banks            = 1,
        .pwrsts_mem_ret   = {