linux-kernel - [PATCH 12/49] regmap-irq: Remove unused type_reg

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 20 Jun 2022 21:06:07 +0100
From:   Aidan MacDonald <aidanmacdonald.0x0@...il.com>
To:     broonie@...nel.org
Cc:     agross@...nel.org, bjorn.andersson@...aro.org,
        srinivas.kandagatla@...aro.org, bgoswami@...eaurora.org,
        gregkh@...uxfoundation.org, rafael@...nel.org,
        cw00.choi@...sung.com, krzysztof.kozlowski@...aro.org,
        b.zolnierkie@...sung.com, myungjoo.ham@...sung.com,
        michael@...le.cc, linus.walleij@...aro.org, brgl@...ev.pl,
        tglx@...utronix.de, maz@...nel.org, lee.jones@...aro.org,
        mani@...nel.org, cristian.ciocaltea@...il.com, wens@...e.org,
        tharvey@...eworks.com, rjones@...eworks.com,
        mazziesaccount@...il.com, orsonzhai@...il.com,
        baolin.wang7@...il.com, zhang.lyra@...il.com,
        jernej.skrabec@...il.com, samuel@...lland.org, lgirdwood@...il.com,
        perex@...ex.cz, tiwai@...e.com, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-actions@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        alsa-devel@...a-project.org
Subject: [PATCH 12/49] regmap-irq: Remove unused type_reg_stride field

It appears that no chip ever required a nonzero type_reg_stride
and commit 1066cfbdfa3f ("regmap-irq: Extend sub-irq to support
non-fixed reg strides") broke support. Just remove the field.

Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@...il.com>
---
 drivers/base/regmap/regmap-irq.c | 6 ------
 include/linux/regmap.h           | 3 ---
 2 files changed, 9 deletions(-)

diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c
index 85d7fd4e07d7..b24818ad36e6 100644
--- a/drivers/base/regmap/regmap-irq.c
+++ b/drivers/base/regmap/regmap-irq.c
@@ -40,7 +40,6 @@ struct regmap_irq_chip_data {
 	unsigned int **config_buf;
 
 	unsigned int irq_reg_stride;
-	unsigned int type_reg_stride;
 
 	bool clear_status:1;
 };
@@ -738,11 +737,6 @@ int regmap_add_irq_chip_fwnode(struct fwnode_handle *fwnode,
 	else
 		d->irq_reg_stride = 1;
 
-	if (chip->type_reg_stride)
-		d->type_reg_stride = chip->type_reg_stride;
-	else
-		d->type_reg_stride = 1;
-
 	if (!map->use_single_read && map->reg_stride == 1 &&
 	    d->irq_reg_stride == 1) {
 		d->status_reg_buf = kmalloc_array(chip->num_regs,
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 879afdc81526..1966ad4d0fa5 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -1483,8 +1483,6 @@ struct regmap_irq_sub_irq_map {
  * @irqs:        Descriptors for individual IRQs.  Interrupt numbers are
  *               assigned based on the index in the array of the interrupt.
  * @num_irqs:    Number of descriptors.
- * @type_reg_stride: Stride to use for chips where type registers are not
- *			contiguous.
  * @num_config_bases:	Number of config base registers.
  * @num_config_regs:	Number of config registers for each config base register.
  * @handle_pre_irq:  Driver specific callback to handle interrupt from device
@@ -1535,7 +1533,6 @@ struct regmap_irq_chip {
 
 	int num_config_bases;
 	int num_config_regs;
-	unsigned int type_reg_stride;
 
 	int (*handle_pre_irq)(void *irq_drv_data);
 	int (*handle_post_irq)(void *irq_drv_data);
-- 
2.35.1