- Linux-stable-mirror - lists.linaro.org

[PATCH v7 3/3] drm: adv7511: Drop dsi single lane support

by Biju Das

As per [1] and [2], ADV7535/7533 supports only 2-, 3-, or 4-lane. Drop unsupported 1-lane. [1] https://www.analog.com/media/en/technical-documentation/data-sheets/ADV7535… [2] https://www.analog.com/media/en/technical-documentation/data-sheets/ADV7533… Fixes: 1e4d58cd7f88 ("drm/bridge: adv7533: Create a MIPI DSI device") Reported-by: Hien Huynh <hien.huynh.px(a)renesas.com> Cc: stable(a)vger.kernel.org Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas(a)ideasonboard.com> Reviewed-by: Adam Ford <aford173(a)gmail.com> Signed-off-by: Biju Das <biju.das.jz(a)bp.renesas.com> --- Changes in v7: - No change. Changes in v6: - Added Rb tag from Adam. Changes in v5: - No change. Changes in v4: - Added link to ADV7533 data sheet. - Collected tags Changes in v3: - Updated commit header and description - Updated fixes tag - Dropped single lane support Changes in v2: - Added the tag "Cc: stable(a)vger.kernel.org" in the sign-off area. - Dropped Archit Taneja invalid Mail address --- drivers/gpu/drm/bridge/adv7511/adv7533.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/adv7511/adv7533.c b/drivers/gpu/drm/bridge/adv7511/adv7533.c index 5f195e91b3e6..122ad91e8a32 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7533.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7533.c @@ -172,7 +172,7 @@ int adv7533_parse_dt(struct device_node *np, struct adv7511 *adv) of_property_read_u32(np, "adi,dsi-lanes", &num_lanes); - if (num_lanes < 1 || num_lanes > 4) + if (num_lanes < 2 || num_lanes > 4) return -EINVAL; adv->num_dsi_lanes = num_lanes; -- 2.43.0

3 months

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[PATCH v7 2/3] dt-bindings: display: adi,adv7533: Drop single lane support

by Biju Das

As per [1] and [2], ADV7535/7533 supports only 2-, 3-, or 4-lane. Drop unsupported 1-lane from bindings. [1] https://www.analog.com/media/en/technical-documentation/data-sheets/ADV7535… [2] https://www.analog.com/media/en/technical-documentation/data-sheets/ADV7533… Fixes: 1e4d58cd7f88 ("drm/bridge: adv7533: Create a MIPI DSI device") Cc: stable(a)vger.kernel.org Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski(a)linaro.org> Reviewed-by: Geert Uytterhoeven <geert+renesas(a)glider.be> Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas(a)ideasonboard.com> Signed-off-by: Biju Das <biju.das.jz(a)bp.renesas.com> --- v6->v7: * No change. v5->v6: * No change. v4->v5: * No change. v3->v4: * Added link to ADV7533 data sheet. * Collected tags. v3: * New patch. --- .../devicetree/bindings/display/bridge/adi,adv7533.yaml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/display/bridge/adi,adv7533.yaml b/Documentation/devicetree/bindings/display/bridge/adi,adv7533.yaml index df20a3c9c744..ec89115c74e4 100644 --- a/Documentation/devicetree/bindings/display/bridge/adi,adv7533.yaml +++ b/Documentation/devicetree/bindings/display/bridge/adi,adv7533.yaml @@ -90,7 +90,7 @@ properties: adi,dsi-lanes: description: Number of DSI data lanes connected to the DSI host. $ref: /schemas/types.yaml#/definitions/uint32 - enum: [ 1, 2, 3, 4 ] + enum: [ 2, 3, 4 ] "#sound-dai-cells": const: 0 -- 2.43.0

3 months

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[PATCH v7 1/3] drm: adv7511: Fix use-after-free in adv7533_attach_dsi()

by Biju Das

The host_node pointer was assigned and freed in adv7533_parse_dt(), and later, adv7533_attach_dsi() uses the same. Fix this use-after-free issue by dropping of_node_put() in adv7533_parse_dt() and calling of_node_put() in error path of probe() and also in the remove(). Fixes: 1e4d58cd7f88 ("drm/bridge: adv7533: Create a MIPI DSI device") Cc: stable(a)vger.kernel.org Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas(a)ideasonboard.com> Signed-off-by: Biju Das <biju.das.jz(a)bp.renesas.com> --- Changes in v7: - Dropped check for host_node as of_node_put() is a no-op when called with a NULL pointer. - Added Rb tag from Laurent. Changes in v6: - Fixed memory leak by adding goto stattement in error path of adv7511_init_regulators(). Changes in v5: - Updated commit description. - restored host_node in struct adv7511. - Dropped of_node_put() in adv7533_parse_dt() and calling of_node_put() in error path of probe() and also in the remove(). Changes in v4: - Updated commit description. - Dropped host_node from struct adv7511 and instead used a local pointer in probe(). Also freeing of host_node pointer after use is done in probe(). Changes in v3: - Replace __free construct with readable of_node_put(). Changes in v2: - Added the tag "Cc: stable(a)vger.kernel.org" in the sign-off area. - Dropped Archit Taneja invalid Mail address --- drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 10 ++++++++-- drivers/gpu/drm/bridge/adv7511/adv7533.c | 2 -- 2 files changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c index eb5919b38263..a13b3d8ab6ac 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c @@ -1241,8 +1241,10 @@ static int adv7511_probe(struct i2c_client *i2c) return ret; ret = adv7511_init_regulators(adv7511); - if (ret) - return dev_err_probe(dev, ret, "failed to init regulators\n"); + if (ret) { + dev_err_probe(dev, ret, "failed to init regulators\n"); + goto err_of_node_put; + } /* * The power down GPIO is optional. If present, toggle it from active to @@ -1363,6 +1365,8 @@ static int adv7511_probe(struct i2c_client *i2c) i2c_unregister_device(adv7511->i2c_edid); uninit_regulators: adv7511_uninit_regulators(adv7511); +err_of_node_put: + of_node_put(adv7511->host_node); return ret; } @@ -1371,6 +1375,8 @@ static void adv7511_remove(struct i2c_client *i2c) { struct adv7511 *adv7511 = i2c_get_clientdata(i2c); + of_node_put(adv7511->host_node); + adv7511_uninit_regulators(adv7511); drm_bridge_remove(&adv7511->bridge); diff --git a/drivers/gpu/drm/bridge/adv7511/adv7533.c b/drivers/gpu/drm/bridge/adv7511/adv7533.c index 4481489aaf5e..5f195e91b3e6 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7533.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7533.c @@ -181,8 +181,6 @@ int adv7533_parse_dt(struct device_node *np, struct adv7511 *adv) if (!adv->host_node) return -ENODEV; - of_node_put(adv->host_node); - adv->use_timing_gen = !of_property_read_bool(np, "adi,disable-timing-generator"); -- 2.43.0

3 months

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[PATCH v6 1/3] drm: adv7511: Fix use-after-free in adv7533_attach_dsi()

by Biju Das

The host_node pointer was assigned and freed in adv7533_parse_dt(), and later, adv7533_attach_dsi() uses the same. Fix this use-after-free issue by dropping of_node_put() in adv7533_parse_dt() and calling of_node_put() in error path of probe() and also in the remove(). Fixes: 1e4d58cd7f88 ("drm/bridge: adv7533: Create a MIPI DSI device") Cc: stable(a)vger.kernel.org Signed-off-by: Biju Das <biju.das.jz(a)bp.renesas.com> --- Changes in v6: - Fixed memory leak by adding goto stattement in error path of adv7511_init_regulators(). Changes in v5: - Updated commit description. - restored host_node in struct adv7511. - Dropped of_node_put() in adv7533_parse_dt() and calling of_node_put() in error path of probe() and also in the remove(). Changes in v4: - Updated commit description. - Dropped host_node from struct adv7511 and instead used a local pointer in probe(). Also freeing of host_node pointer after use is done in probe(). Changes in v3: - Replace __free construct with readable of_node_put(). Changes in v2: - Added the tag "Cc: stable(a)vger.kernel.org" in the sign-off area. - Dropped Archit Taneja invalid Mail address --- drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 12 ++++++++++-- drivers/gpu/drm/bridge/adv7511/adv7533.c | 2 -- 2 files changed, 10 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c index eb5919b38263..f5525c12f0cd 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c @@ -1241,8 +1241,10 @@ static int adv7511_probe(struct i2c_client *i2c) return ret; ret = adv7511_init_regulators(adv7511); - if (ret) - return dev_err_probe(dev, ret, "failed to init regulators\n"); + if (ret) { + dev_err_probe(dev, ret, "failed to init regulators\n"); + goto err_of_node_put; + } /* * The power down GPIO is optional. If present, toggle it from active to @@ -1363,6 +1365,9 @@ static int adv7511_probe(struct i2c_client *i2c) i2c_unregister_device(adv7511->i2c_edid); uninit_regulators: adv7511_uninit_regulators(adv7511); +err_of_node_put: + if (adv7511->host_node) + of_node_put(adv7511->host_node); return ret; } @@ -1371,6 +1376,9 @@ static void adv7511_remove(struct i2c_client *i2c) { struct adv7511 *adv7511 = i2c_get_clientdata(i2c); + if (adv7511->host_node) + of_node_put(adv7511->host_node); + adv7511_uninit_regulators(adv7511); drm_bridge_remove(&adv7511->bridge); diff --git a/drivers/gpu/drm/bridge/adv7511/adv7533.c b/drivers/gpu/drm/bridge/adv7511/adv7533.c index 4481489aaf5e..5f195e91b3e6 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7533.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7533.c @@ -181,8 +181,6 @@ int adv7533_parse_dt(struct device_node *np, struct adv7511 *adv) if (!adv->host_node) return -ENODEV; - of_node_put(adv->host_node); - adv->use_timing_gen = !of_property_read_bool(np, "adi,disable-timing-generator"); -- 2.43.0

3 months

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[PATCH v6 3/3] drm: adv7511: Drop dsi single lane support

by Biju Das

As per [1] and [2], ADV7535/7533 supports only 2-, 3-, or 4-lane. Drop unsupported 1-lane. [1] https://www.analog.com/media/en/technical-documentation/data-sheets/ADV7535… [2] https://www.analog.com/media/en/technical-documentation/data-sheets/ADV7533… Fixes: 1e4d58cd7f88 ("drm/bridge: adv7533: Create a MIPI DSI device") Reported-by: Hien Huynh <hien.huynh.px(a)renesas.com> Cc: stable(a)vger.kernel.org Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas(a)ideasonboard.com> Reviewed-by: Adam Ford <aford173(a)gmail.com> Signed-off-by: Biju Das <biju.das.jz(a)bp.renesas.com> --- Changes in v6: - Added Rb tag from Adam. Changes in v5: - No change. Changes in v4: - Added link to ADV7533 data sheet. - Collected tags Changes in v3: - Updated commit header and description - Updated fixes tag - Dropped single lane support Changes in v2: - Added the tag "Cc: stable(a)vger.kernel.org" in the sign-off area. - Dropped Archit Taneja invalid Mail address --- drivers/gpu/drm/bridge/adv7511/adv7533.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/adv7511/adv7533.c b/drivers/gpu/drm/bridge/adv7511/adv7533.c index 5f195e91b3e6..122ad91e8a32 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7533.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7533.c @@ -172,7 +172,7 @@ int adv7533_parse_dt(struct device_node *np, struct adv7511 *adv) of_property_read_u32(np, "adi,dsi-lanes", &num_lanes); - if (num_lanes < 1 || num_lanes > 4) + if (num_lanes < 2 || num_lanes > 4) return -EINVAL; adv->num_dsi_lanes = num_lanes; -- 2.43.0

3 months

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[PATCH v6 2/3] dt-bindings: display: adi,adv7533: Drop single lane support

by Biju Das

As per [1] and [2], ADV7535/7533 supports only 2-, 3-, or 4-lane. Drop unsupported 1-lane from bindings. [1] https://www.analog.com/media/en/technical-documentation/data-sheets/ADV7535… [2] https://www.analog.com/media/en/technical-documentation/data-sheets/ADV7533… Fixes: 1e4d58cd7f88 ("drm/bridge: adv7533: Create a MIPI DSI device") Cc: stable(a)vger.kernel.org Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski(a)linaro.org> Reviewed-by: Geert Uytterhoeven <geert+renesas(a)glider.be> Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas(a)ideasonboard.com> Signed-off-by: Biju Das <biju.das.jz(a)bp.renesas.com> --- v5->v6: * No change. v4->v5: * No change. v3->v4: * Added link to ADV7533 data sheet. * Collected tags. v3: * New patch. --- .../devicetree/bindings/display/bridge/adi,adv7533.yaml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/display/bridge/adi,adv7533.yaml b/Documentation/devicetree/bindings/display/bridge/adi,adv7533.yaml index df20a3c9c744..ec89115c74e4 100644 --- a/Documentation/devicetree/bindings/display/bridge/adi,adv7533.yaml +++ b/Documentation/devicetree/bindings/display/bridge/adi,adv7533.yaml @@ -90,7 +90,7 @@ properties: adi,dsi-lanes: description: Number of DSI data lanes connected to the DSI host. $ref: /schemas/types.yaml#/definitions/uint32 - enum: [ 1, 2, 3, 4 ] + enum: [ 2, 3, 4 ] "#sound-dai-cells": const: 0 -- 2.43.0

3 months

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[PATCH v5 1/3] drm: adv7511: Fix use-after-free in adv7533_attach_dsi()

by Biju Das

The host_node pointer was assigned and freed in adv7533_parse_dt(), and later, adv7533_attach_dsi() uses the same. Fix this use-after-free issue by dropping of_node_put() in adv7533_parse_dt() and calling of_node_put() in error path of probe() and also in the remove(). Fixes: 1e4d58cd7f88 ("drm/bridge: adv7533: Create a MIPI DSI device") Cc: stable(a)vger.kernel.org Signed-off-by: Biju Das <biju.das.jz(a)bp.renesas.com> --- Changes in v5: - Updated commit description. - restored host_node in struct adv7511. - Dropped of_node_put() in adv7533_parse_dt() and calling of_node_put() in error path of probe() and also in the remove(). Changes in v4: - Updated commit description. - Dropped host_node from struct adv7511 and instead used a local pointer in probe(). Also freeing of host_node pointer after use is done in probe(). Changes in v3: - Replace __free construct with readable of_node_put(). Changes in v2: - Added the tag "Cc: stable(a)vger.kernel.org" in the sign-off area. - Dropped Archit Taneja invalid Mail address --- drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 5 +++++ drivers/gpu/drm/bridge/adv7511/adv7533.c | 2 -- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c index eb5919b38263..6cfdda04f52f 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c @@ -1363,6 +1363,8 @@ static int adv7511_probe(struct i2c_client *i2c) i2c_unregister_device(adv7511->i2c_edid); uninit_regulators: adv7511_uninit_regulators(adv7511); + if (adv7511->host_node) + of_node_put(adv7511->host_node); return ret; } @@ -1371,6 +1373,9 @@ static void adv7511_remove(struct i2c_client *i2c) { struct adv7511 *adv7511 = i2c_get_clientdata(i2c); + if (adv7511->host_node) + of_node_put(adv7511->host_node); + adv7511_uninit_regulators(adv7511); drm_bridge_remove(&adv7511->bridge); diff --git a/drivers/gpu/drm/bridge/adv7511/adv7533.c b/drivers/gpu/drm/bridge/adv7511/adv7533.c index 4481489aaf5e..5f195e91b3e6 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7533.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7533.c @@ -181,8 +181,6 @@ int adv7533_parse_dt(struct device_node *np, struct adv7511 *adv) if (!adv->host_node) return -ENODEV; - of_node_put(adv->host_node); - adv->use_timing_gen = !of_property_read_bool(np, "adi,disable-timing-generator"); -- 2.43.0

3 months

2
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[PATCH 0/1] disable __counted_by for clang < 19.1.3

by Jan Hendrik Farr

Hi Kees, Bill's PR to disable __counted_by for "whole struct" __bdos cases has now been merged into 19.1.3 [1], so here's the patch to disable __counted_by for clang versions < 19.1.3 in the kernel. Hopefully in the near future __counted_by for whole struct __bdos can be enabled once again in coordination between the kernel, gcc, and clang. There has been recent progress on this in [2] thanks to Tavian. Also see previous discussion on the mailing list [3] Thanks to everyone for moving this issue along. In particular, Bill for his PR to clang/llvm, Kees and Thorsten for reproducers of the two issues, Nathan for Kconfig-ifying this patch, and Miguel for reviewing. Info for the stable team: This patch should be backported to kernels >= 6.6 to make sure that those build correctly with the effected clang versions. This patch cherry-picks cleanly onto linux-6.11.y. For linux-6.6.y three prerequiste commits are neded: 16c31dd7fdf6: Compiler Attributes: counted_by: bump min gcc version 2993eb7a8d34: Compiler Attributes: counted_by: fixup clang URL 231dc3f0c936: lkdtm/bugs: Improve warning message for compilers without counted_by support There are still two merge conflicts even with those prerequistes. Here's the correct resolution: 1. include/linux/compiler_types.h: use the incoming change until before (but not including) the "Apply __counted_by() when the Endianness matches to increase test coverage." comment 2. lib/overflow_kunit.c: HEAD is correct [1] https://github.com/llvm/llvm-project/pull/112786 [2] https://github.com/llvm/llvm-project/pull/112636 [3] https://lore.kernel.org/lkml/3E304FB2-799D-478F-889A-CDFC1A52DCD8@toblux.co… Best Regards Jan Jan Hendrik Farr (1): Compiler Attributes: disable __counted_by for clang < 19.1.3 drivers/misc/lkdtm/bugs.c | 2 +- include/linux/compiler_attributes.h | 13 ------------- include/linux/compiler_types.h | 19 +++++++++++++++++++ init/Kconfig | 9 +++++++++ lib/overflow_kunit.c | 2 +- 5 files changed, 30 insertions(+), 15 deletions(-) -- 2.47.0

3 months

3
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[PATCH] ublk: fix error code for unsupported command

by Ming Lei

ENOTSUPP is for kernel use only, and shouldn't be sent to userspace. Fix it by replacing it with EOPNOTSUPP. Cc: stable(a)vger.kernel.org Fixes: bfbcef036396 ("ublk_drv: move ublk_get_device_from_id into ublk_ctrl_uring_cmd") Signed-off-by: Ming Lei <ming.lei(a)redhat.com> --- drivers/block/ublk_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c index c6d18cd8af44..d4aed12dd436 100644 --- a/drivers/block/ublk_drv.c +++ b/drivers/block/ublk_drv.c @@ -3041,7 +3041,7 @@ static int ublk_ctrl_uring_cmd(struct io_uring_cmd *cmd, ret = ublk_ctrl_end_recovery(ub, cmd); break; default: - ret = -ENOTSUPP; + ret = -EOPNOTSUPP; break; } -- 2.44.0

3 months

2
1
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[PATCH v2] usb: typec: anx7411: fix OF node reference leaks in anx7411_typec_switch_probe()

by Joe Hattori

The refcounts of the OF nodes obtained in by of_get_child_by_name() calls in anx7411_typec_switch_probe() are not decremented, so add fwnode_handle_put() calls to anx7411_unregister_switch() and anx7411_unregister_mux(). Fixes: e45d7337dc0e ("usb: typec: anx7411: Use of_get_child_by_name() instead of of_find_node_by_name()") Cc: stable(a)vger.kernel.org Signed-off-by: Joe Hattori <joe(a)pf.is.s.u-tokyo.ac.jp> --- Changed in v2: - Add the Cc: stable(a)vger.kernel.org tag. --- drivers/usb/typec/anx7411.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/usb/typec/anx7411.c b/drivers/usb/typec/anx7411.c index cdb7e8273823..d3c5d8f410ca 100644 --- a/drivers/usb/typec/anx7411.c +++ b/drivers/usb/typec/anx7411.c @@ -29,6 +29,8 @@ #include <linux/workqueue.h> #include <linux/power_supply.h> +#include "mux.h" + #define TCPC_ADDRESS1 0x58 #define TCPC_ADDRESS2 0x56 #define TCPC_ADDRESS3 0x54 @@ -1094,6 +1096,7 @@ static void anx7411_unregister_mux(struct anx7411_data *ctx) { if (ctx->typec.typec_mux) { typec_mux_unregister(ctx->typec.typec_mux); + fwnode_handle_put(ctx->typec.typec_mux->dev.fwnode); ctx->typec.typec_mux = NULL; } } @@ -1102,6 +1105,7 @@ static void anx7411_unregister_switch(struct anx7411_data *ctx) { if (ctx->typec.typec_switch) { typec_switch_unregister(ctx->typec.typec_switch); + fwnode_handle_put(ctx->typec.typec_switch->dev.fwnode); ctx->typec.typec_switch = NULL; } } -- 2.34.1

3 months

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