Re: [PATCH] mfd: stmpe: Revert "Constify static struct resource"

From: Andy Shevchenko
Date: Wed Mar 03 2021 - 08:21:06 EST


On Wed, Mar 03, 2021 at 12:47:10AM +0100, Rikard Falkeborn wrote:
> Andy noted that constification of some static resource structs in

(If you wish, you may use Reported-by:, I'm fine with either way)

> intel_quark_i2c_gpio.c were incorrect. It turns out there is another
> change from the same series that is also incorrect in stmpe.c.
> These structures are modified at init and can not be made const.
>
> This reverts commit 8d7b3a6dac4eae22c58b0853696cbd256966741b.

I recommend to add a comment in the code as I did so nobody (okay, who reads
the comments) will change that again.

Thanks!

> Fixes: 8d7b3a6dac4e ("mfd: stmpe: Constify static struct resource")
> Cc: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> Signed-off-by: Rikard Falkeborn <rikard.falkeborn@xxxxxxxxx>
> ---
> I went through the series and this was the only additional issue I
> found. Sorry about that.
>
> drivers/mfd/stmpe.c | 10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/mfd/stmpe.c b/drivers/mfd/stmpe.c
> index 90f3292230c9..1aee3b3253fc 100644
> --- a/drivers/mfd/stmpe.c
> +++ b/drivers/mfd/stmpe.c
> @@ -312,7 +312,7 @@ EXPORT_SYMBOL_GPL(stmpe_set_altfunc);
> * GPIO (all variants)
> */
>
> -static const struct resource stmpe_gpio_resources[] = {
> +static struct resource stmpe_gpio_resources[] = {
> /* Start and end filled dynamically */
> {
> .flags = IORESOURCE_IRQ,
> @@ -336,7 +336,7 @@ static const struct mfd_cell stmpe_gpio_cell_noirq = {
> * Keypad (1601, 2401, 2403)
> */
>
> -static const struct resource stmpe_keypad_resources[] = {
> +static struct resource stmpe_keypad_resources[] = {
> {
> .name = "KEYPAD",
> .flags = IORESOURCE_IRQ,
> @@ -357,7 +357,7 @@ static const struct mfd_cell stmpe_keypad_cell = {
> /*
> * PWM (1601, 2401, 2403)
> */
> -static const struct resource stmpe_pwm_resources[] = {
> +static struct resource stmpe_pwm_resources[] = {
> {
> .name = "PWM0",
> .flags = IORESOURCE_IRQ,
> @@ -445,7 +445,7 @@ static struct stmpe_variant_info stmpe801_noirq = {
> * Touchscreen (STMPE811 or STMPE610)
> */
>
> -static const struct resource stmpe_ts_resources[] = {
> +static struct resource stmpe_ts_resources[] = {
> {
> .name = "TOUCH_DET",
> .flags = IORESOURCE_IRQ,
> @@ -467,7 +467,7 @@ static const struct mfd_cell stmpe_ts_cell = {
> * ADC (STMPE811)
> */
>
> -static const struct resource stmpe_adc_resources[] = {
> +static struct resource stmpe_adc_resources[] = {
> {
> .name = "STMPE_TEMP_SENS",
> .flags = IORESOURCE_IRQ,
> --
> 2.30.1
>

--
With Best Regards,
Andy Shevchenko