mmc: fsl_esdhc: move 'status' property fixup into a weak function
authorYangbo Lu <yangbo.lu@nxp.com>
Tue, 17 Jan 2017 02:43:54 +0000 (10:43 +0800)
committerYork Sun <york.sun@nxp.com>
Wed, 18 Jan 2017 17:46:30 +0000 (09:46 -0800)
Move fdt fixup of 'status' property into a weak function. This allows
board to define 'status' fdt fixup by themselves.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
drivers/mmc/fsl_esdhc.c

index 0ae1cfdeb15122024f3e573a1d27e1ba158d6ed9..7b7863f1e6701ec40d6948be7f338561c84ac444 100644 (file)
@@ -911,17 +911,26 @@ void mmc_adapter_card_type_ident(void)
 #endif
 
 #ifdef CONFIG_OF_LIBFDT
-void fdt_fixup_esdhc(void *blob, bd_t *bd)
+__weak int esdhc_status_fixup(void *blob, const char *compat)
 {
-       const char *compat = "fsl,esdhc";
-
 #ifdef CONFIG_FSL_ESDHC_PIN_MUX
        if (!hwconfig("esdhc")) {
                do_fixup_by_compat(blob, compat, "status", "disabled",
-                               8 + 1, 1);
-               return;
+                               sizeof("disabled"), 1);
+               return 1;
        }
 #endif
+       do_fixup_by_compat(blob, compat, "status", "okay",
+                          sizeof("okay"), 1);
+       return 0;
+}
+
+void fdt_fixup_esdhc(void *blob, bd_t *bd)
+{
+       const char *compat = "fsl,esdhc";
+
+       if (esdhc_status_fixup(blob, compat))
+               return;
 
 #ifdef CONFIG_FSL_ESDHC_USE_PERIPHERAL_CLK
        do_fixup_by_compat_u32(blob, compat, "peripheral-frequency",
@@ -934,8 +943,6 @@ void fdt_fixup_esdhc(void *blob, bd_t *bd)
        do_fixup_by_compat_u32(blob, compat, "adapter-type",
                               (u32)(gd->arch.sdhc_adapter), 1);
 #endif
-       do_fixup_by_compat(blob, compat, "status", "okay",
-                          4 + 1, 1);
 }
 #endif