[ARM] OMAP3 powerdomains: remove RET from SGX power states list
authorPaul Walmsley <paul@pwsan.com>
Wed, 28 Jan 2009 02:44:28 +0000 (19:44 -0700)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Sun, 8 Feb 2009 17:50:30 +0000 (17:50 +0000)
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>
arch/arm/mach-omap2/powerdomains34xx.h

index 7b63fa0..15c346c 100644 (file)
@@ -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   = {