Merge tag 'omap-for-v3.16/fixes-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

Merge "Two regression fixes for omaps and one fix for device
signaling" from Tony Lindgren:

- L2 cache regression fix for a warning about trying to access
  a read-only register

- GPMC ECC software fallback regression fix for omap3

- Fix for dra7 pinctrl pull-up direction that causes signal issues
  for anybody trying to use the internal pull up or down

* tag 'omap-for-v3.16/fixes-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: gpmc: fix gpmc_hwecc_bch_capable()
  pinctrl: dra: dt-bindings: Fix pull enable/disable
  ARM: OMAP2+: l2c: squelch warning dump on power control setting

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

3 files changed, 18 insertions, 11 deletions

diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c
index 17cd39360afe..93914d220069 100644
--- a/arch/arm/mach-omap2/gpmc-nand.c
+++ b/arch/arm/mach-omap2/gpmc-nand.c
@@ -50,6 +50,16 @@ static bool gpmc_hwecc_bch_capable(enum omap_ecc ecc_opt)
                  soc_is_omap54xx() || soc_is_dra7xx())
                 return 1;
 
+        if (ecc_opt == OMAP_ECC_BCH4_CODE_HW_DETECTION_SW ||
+                 ecc_opt == OMAP_ECC_BCH8_CODE_HW_DETECTION_SW) {
+                if (cpu_is_omap24xx())
+                        return 0;
+                else if (cpu_is_omap3630() && (GET_OMAP_REVISION() == 0))
+                        return 0;
+                else
+                        return 1;
+        }
+
         /* OMAP3xxx do not have ELM engine, so cannot support ECC schemes
          * which require H/W based ECC error detection */
         if ((cpu_is_omap34xx() || cpu_is_omap3630()) &&
@@ -57,14 +67,6 @@ static bool gpmc_hwecc_bch_capable(enum omap_ecc ecc_opt)
                  (ecc_opt == OMAP_ECC_BCH8_CODE_HW)))
                 return 0;
 
-        /*
-         * For now, assume 4-bit mode is only supported on OMAP3630 ES1.x, x>=1
-         * and AM33xx derivates. Other chips may be added if confirmed to work.
-         */
-        if ((ecc_opt == OMAP_ECC_BCH4_CODE_HW_DETECTION_SW) &&
-            (!cpu_is_omap3630() || (GET_OMAP_REVISION() == 0)))
-                return 0;
-
         /* legacy platforms support only HAM1 (1-bit Hamming) ECC scheme */
         if (ecc_opt == OMAP_ECC_HAM1_CODE_HW)
                 return 1;
diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c
index 539e8106eb96..a0fe747634c1 100644
--- a/arch/arm/mach-omap2/omap4-common.c
+++ b/arch/arm/mach-omap2/omap4-common.c
@@ -168,6 +168,10 @@ static void omap4_l2c310_write_sec(unsigned long val, unsigned reg)
                 smc_op = OMAP4_MON_L2X0_PREFETCH_INDEX;
                 break;
 
+        case L310_POWER_CTRL:
+                pr_info_once("OMAP L2C310: ROM does not support power control setting\n");
+                return;
+
         default:
                 WARN_ONCE(1, "OMAP L2C310: ignoring write to reg 0x%x\n", reg);
                 return;
diff --git a/include/dt-bindings/pinctrl/dra.h b/include/dt-bindings/pinctrl/dra.h
index 002a2855c046..3d33794e4f3e 100644
--- a/include/dt-bindings/pinctrl/dra.h
+++ b/include/dt-bindings/pinctrl/dra.h
@@ -30,7 +30,8 @@
 #define MUX_MODE14      0xe
 #define MUX_MODE15      0xf
 
-#define PULL_ENA                (1 << 16)
+#define PULL_ENA                (0 << 16)
+#define PULL_DIS                (1 << 16)
 #define PULL_UP                 (1 << 17)
 #define INPUT_EN                (1 << 18)
 #define SLEWCONTROL             (1 << 19)
@@ -38,10 +39,10 @@
 #define WAKEUP_EVENT            (1 << 25)
 
 /* Active pin states */
-#define PIN_OUTPUT              0
+#define PIN_OUTPUT              (0 | PULL_DIS)
 #define PIN_OUTPUT_PULLUP       (PIN_OUTPUT | PULL_ENA | PULL_UP)
 #define PIN_OUTPUT_PULLDOWN     (PIN_OUTPUT | PULL_ENA)
-#define PIN_INPUT               INPUT_EN
+#define PIN_INPUT               (INPUT_EN | PULL_DIS)
 #define PIN_INPUT_SLEW          (INPUT_EN | SLEWCONTROL)
 #define PIN_INPUT_PULLUP        (PULL_ENA | INPUT_EN | PULL_UP)
 #define PIN_INPUT_PULLDOWN      (PULL_ENA | INPUT_EN)