From: Baruch Siach Date: Thu, 7 Jun 2018 09:38:11 +0000 (+0300) Subject: mvebu: turris_omnia: add note about i2c slave disable X-Git-Tag: v2018.07-rc2~74^2 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=d78ecc733988d07a87c97f7f1c19171c437a8712;p=oweals%2Fu-boot.git mvebu: turris_omnia: add note about i2c slave disable Code that disables the i2c slave is now in the mvtwsi i2c driver. Platform must enable DM_I2C to use that code. Add a comment in the code as a reminder for the planned DM_I2C migration of Turris Omnia. Reviewed-by: Heiko Schocher Signed-off-by: Baruch Siach --- diff --git a/board/CZ.NIC/turris_omnia/turris_omnia.c b/board/CZ.NIC/turris_omnia/turris_omnia.c index da663cf1bb..160d30cd79 100644 --- a/board/CZ.NIC/turris_omnia/turris_omnia.c +++ b/board/CZ.NIC/turris_omnia/turris_omnia.c @@ -321,7 +321,11 @@ int board_early_init_f(void) writel(OMNIA_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04); writel(OMNIA_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04); - /* Disable I2C debug mode blocking 0x64 I2C address */ + /* + * Disable I2C debug mode blocking 0x64 I2C address. + * Note: that would be redundant once Turris Omnia migrates to DM_I2C, + * because the mvtwsi driver includes equivalent code. + */ i2c_debug_reg = readl(MVEBU_TWSI_BASE + MVTWSI_ARMADA_DEBUG_REG); i2c_debug_reg &= ~(1<<18); writel(i2c_debug_reg, MVEBU_TWSI_BASE + MVTWSI_ARMADA_DEBUG_REG);