From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Piotr Szczepanik Date: Sun, 24 Jan 2021 16:14:06 +0100 Subject: add possibility of disabling rk808-rtc To disable rk808-rtc driver from loading for specific board add the following stanza to rk808 node in device tree: rtc { compatible = "rk808-rtc"; status = "disabled"; } This is needed for roc-rk3399-pc plus (a.k.a. Station P1). Without the change rk808's rtc is initialised and used for time keeping although there is another rtc (hym8563) that should be actually used. Signed-off-by: Piotr Szczepanik --- drivers/mfd/mfd-core.c | 2 +- drivers/mfd/rk8xx-core.c | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c index 0ed7c0d7784e..528917b236f9 100644 --- a/drivers/mfd/mfd-core.c +++ b/drivers/mfd/mfd-core.c @@ -202,7 +202,7 @@ static int mfd_add_device(struct device *parent, int id, } if (!pdev->dev.of_node) - pr_warn("%s: Failed to locate of_node [id: %d]\n", + pr_debug("%s: Failed to locate of_node [id: %d]\n", cell->name, platform_id); } diff --git a/drivers/mfd/rk8xx-core.c b/drivers/mfd/rk8xx-core.c index 11a831e92da8..9ec56d4abcfa 100644 --- a/drivers/mfd/rk8xx-core.c +++ b/drivers/mfd/rk8xx-core.c @@ -120,6 +120,7 @@ static const struct mfd_cell rk818s[] = { { .name = "rk808-regulator", .id = PLATFORM_DEVID_NONE, }, { .name = "rk808-rtc", + .of_compatible = "rk808-rtc", .num_resources = ARRAY_SIZE(rtc_resources), .resources = rtc_resources, .id = PLATFORM_DEVID_NONE, -- Armbian