[PATCH 2/8] clk: sunxi-ng: Prevent unbinding CCUs via sysfs
From: Samuel Holland <samuel@sholland.org>
Date: 2021-09-01 05:05:45
Also in:
linux-clk, linux-sunxi, lkml
Subsystem:
arm/allwinner sunxi soc support, common clk framework, the rest · Maintainers:
Chen-Yu Tsai, Jernej Skrabec, Samuel Holland, Michael Turquette, Stephen Boyd, Linus Torvalds
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 <samuel@sholland.org> --- drivers/clk/sunxi-ng/ccu-sun50i-a100-r.c | 1 + drivers/clk/sunxi-ng/ccu-sun50i-a100.c | 1 + drivers/clk/sunxi-ng/ccu-sun50i-a64.c | 1 + drivers/clk/sunxi-ng/ccu-sun50i-h6.c | 1 + drivers/clk/sunxi-ng/ccu-sun8i-a83t.c | 1 + drivers/clk/sunxi-ng/ccu-sun8i-r40.c | 1 + drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c | 1 + drivers/clk/sunxi-ng/ccu-sun9i-a80.c | 1 + 8 files changed, 8 insertions(+)
diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a100-r.c b/drivers/clk/sunxi-ng/ccu-sun50i-a100-r.c
index 6f2a58970556..804729e0a208 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 913bb08e6dee..1d475d5a3d91 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 54f25c624f02..fcbd914e84e0 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 c0800da2fa3d..9a8902f702c5 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 c2ddcd2ddab4..e663ab0c9935 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 002e0c3a04db..a2144ee728a0 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 261e64416f26..d2072972b614 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 97aaed0e6850..68b30fdc60fd 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, }, };
--
2.31.1
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