ARM: s3c24xx: Correct SD card write protect detection on Mini2440
authorCedric Roux <sed@free.fr>
Fri, 7 Sep 2018 21:54:46 +0000 (23:54 +0200)
committerKrzysztof Kozlowski <krzk@kernel.org>
Mon, 10 Sep 2018 17:11:05 +0000 (19:11 +0200)
The mini2440 computer uses "active high" to signal that the "write protect"
of the inserted MMC is set. The current code uses the opposite, leading to
a wrong detection of write protection. The solution is simply to use
".wprotect_invert = 1" in the description of the MMC.

Signed-off-by: Cedric Roux <sed@free.fr>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
arch/arm/mach-s3c24xx/mach-mini2440.c

index 418fdb4..9f830ab 100644 (file)
@@ -236,6 +236,7 @@ static struct s3c2410fb_mach_info mini2440_fb_info __initdata = {
 static struct s3c24xx_mci_pdata mini2440_mmc_cfg __initdata = {
        .gpio_detect            = S3C2410_GPG(8),
        .gpio_wprotect          = S3C2410_GPH(8),
+       .wprotect_invert        = 1,
        .set_power              = NULL,
        .ocr_avail              = MMC_VDD_32_33|MMC_VDD_33_34,
 };