[PATCH v2 02/12] regmap-irq: Remove unused type_reg_stride field

Aidan MacDonald
2022-06-23T21:13:39Z

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@gmail.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 a58b29e9c7c7..475a959e2b8b 100644
--- a/drivers/base/regmap/regmap-irq.c
+++ b/drivers/base/regmap/regmap-irq.c
@@ -41,7 +41,6 @@ struct regmap_irq_chip_data {
unsigned int **virt_buf;

unsigned int irq_reg_stride;
- unsigned int type_reg_stride;

unsigned int clear_status:1;
};
@@ -743,11 +742,6 @@ 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 7c5e4a20e9cf..f75911239977 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -1487,8 +1487,6 @@ struct regmap_irq_sub_irq_map {
* @num_type_reg: Number of type registers.
* @num_virt_regs: Number of non-standard irq configuration registers.
* If zero unsupported.
- * @type_reg_stride: Stride to use for chips where type registers are not
- * contiguous.
* @handle_pre_irq: Driver specific callback to handle interrupt from device
* before regmap_irq_handler process the interrupts.
* @handle_post_irq: Driver specific callback to handle interrupt from device
@@ -1539,7 +1537,6 @@ struct regmap_irq_chip {

int num_type_reg;
int num_virt_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