From: Samuel Holland Date: Wed, 1 Sep 2021 05:05:20 +0000 (-0500) Subject: clk: sunxi-ng: Prevent unbinding CCUs via sysfs X-Git-Tag: v5.16-rc1~122^2^3^2~15 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=66028ddb94c1717411eb7f84a9648e1a94d2a947;p=thirdparty%2Fkernel%2Flinux.git clk: sunxi-ng: Prevent unbinding CCUs via sysfs The CCU drivers are not really designed to be unbound. Unbinding a SoC's main CCU is especially pointless, as very few of the peripherals on the SoC will work without it. Let's avoid any potential problems by removing the bind/unbind attributes from sysfs for these drivers. This change is not applied to the "secondary" CCUs (DE, USB) as those could reasonably be unbound without making the system useless. Signed-off-by: Samuel Holland Signed-off-by: Maxime Ripard Link: https://lore.kernel.org/r/20210901050526.45673-3-samuel@sholland.org --- diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a100-r.c b/drivers/clk/sunxi-ng/ccu-sun50i-a100-r.c index 6f2a589705561..804729e0a2089 100644 --- a/drivers/clk/sunxi-ng/ccu-sun50i-a100-r.c +++ b/drivers/clk/sunxi-ng/ccu-sun50i-a100-r.c @@ -208,6 +208,7 @@ static struct platform_driver sun50i_a100_r_ccu_driver = { .probe = sun50i_a100_r_ccu_probe, .driver = { .name = "sun50i-a100-r-ccu", + .suppress_bind_attrs = true, .of_match_table = sun50i_a100_r_ccu_ids, }, }; diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a100.c b/drivers/clk/sunxi-ng/ccu-sun50i-a100.c index 913bb08e6dee8..1d475d5a3d912 100644 --- a/drivers/clk/sunxi-ng/ccu-sun50i-a100.c +++ b/drivers/clk/sunxi-ng/ccu-sun50i-a100.c @@ -1270,6 +1270,7 @@ static struct platform_driver sun50i_a100_ccu_driver = { .probe = sun50i_a100_ccu_probe, .driver = { .name = "sun50i-a100-ccu", + .suppress_bind_attrs = true, .of_match_table = sun50i_a100_ccu_ids, }, }; diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c index 54f25c624f020..fcbd914e84e0b 100644 --- a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c +++ b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c @@ -978,6 +978,7 @@ static struct platform_driver sun50i_a64_ccu_driver = { .probe = sun50i_a64_ccu_probe, .driver = { .name = "sun50i-a64-ccu", + .suppress_bind_attrs = true, .of_match_table = sun50i_a64_ccu_ids, }, }; diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h6.c b/drivers/clk/sunxi-ng/ccu-sun50i-h6.c index c0800da2fa3d7..9a8902f702c50 100644 --- a/drivers/clk/sunxi-ng/ccu-sun50i-h6.c +++ b/drivers/clk/sunxi-ng/ccu-sun50i-h6.c @@ -1252,6 +1252,7 @@ static struct platform_driver sun50i_h6_ccu_driver = { .probe = sun50i_h6_ccu_probe, .driver = { .name = "sun50i-h6-ccu", + .suppress_bind_attrs = true, .of_match_table = sun50i_h6_ccu_ids, }, }; diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-a83t.c b/drivers/clk/sunxi-ng/ccu-sun8i-a83t.c index c2ddcd2ddab4e..e663ab0c9935c 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-a83t.c +++ b/drivers/clk/sunxi-ng/ccu-sun8i-a83t.c @@ -918,6 +918,7 @@ static struct platform_driver sun8i_a83t_ccu_driver = { .probe = sun8i_a83t_ccu_probe, .driver = { .name = "sun8i-a83t-ccu", + .suppress_bind_attrs = true, .of_match_table = sun8i_a83t_ccu_ids, }, }; diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-r40.c b/drivers/clk/sunxi-ng/ccu-sun8i-r40.c index 002e0c3a04dbe..a2144ee728a03 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-r40.c +++ b/drivers/clk/sunxi-ng/ccu-sun8i-r40.c @@ -1369,6 +1369,7 @@ static struct platform_driver sun8i_r40_ccu_driver = { .probe = sun8i_r40_ccu_probe, .driver = { .name = "sun8i-r40-ccu", + .suppress_bind_attrs = true, .of_match_table = sun8i_r40_ccu_ids, }, }; diff --git a/drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c b/drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c index 261e64416f26a..d2072972b6140 100644 --- a/drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c +++ b/drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c @@ -268,6 +268,7 @@ static struct platform_driver sun9i_a80_de_clk_driver = { .probe = sun9i_a80_de_clk_probe, .driver = { .name = "sun9i-a80-de-clks", + .suppress_bind_attrs = true, .of_match_table = sun9i_a80_de_clk_ids, }, }; diff --git a/drivers/clk/sunxi-ng/ccu-sun9i-a80.c b/drivers/clk/sunxi-ng/ccu-sun9i-a80.c index 97aaed0e68500..68b30fdc60fd4 100644 --- a/drivers/clk/sunxi-ng/ccu-sun9i-a80.c +++ b/drivers/clk/sunxi-ng/ccu-sun9i-a80.c @@ -1243,6 +1243,7 @@ static struct platform_driver sun9i_a80_ccu_driver = { .probe = sun9i_a80_ccu_probe, .driver = { .name = "sun9i-a80-ccu", + .suppress_bind_attrs = true, .of_match_table = sun9i_a80_ccu_ids, }, };