2020-02-26 13:21:58

by Mika Westerberg

[permalink] [raw]
Subject: [PATCH v2 1/3] watchdog: iTCO_wdt: Export vendorsupport

In preparation for making ->smi_res optional the iTCO_wdt driver needs
to know whether vendorsupport is being set to non-zero. For this reason
export the variable.

Signed-off-by: Mika Westerberg <[email protected]>
---
drivers/watchdog/iTCO_vendor.h | 2 ++
drivers/watchdog/iTCO_vendor_support.c | 16 +++++++++-------
2 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/drivers/watchdog/iTCO_vendor.h b/drivers/watchdog/iTCO_vendor.h
index 0f7373ba10d5..69e92e692ae0 100644
--- a/drivers/watchdog/iTCO_vendor.h
+++ b/drivers/watchdog/iTCO_vendor.h
@@ -1,10 +1,12 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* iTCO Vendor Specific Support hooks */
#ifdef CONFIG_ITCO_VENDOR_SUPPORT
+extern int iTCO_vendorsupport;
extern void iTCO_vendor_pre_start(struct resource *, unsigned int);
extern void iTCO_vendor_pre_stop(struct resource *);
extern int iTCO_vendor_check_noreboot_on(void);
#else
+#define iTCO_vendorsupport 0
#define iTCO_vendor_pre_start(acpibase, heartbeat) {}
#define iTCO_vendor_pre_stop(acpibase) {}
#define iTCO_vendor_check_noreboot_on() 1
diff --git a/drivers/watchdog/iTCO_vendor_support.c b/drivers/watchdog/iTCO_vendor_support.c
index 4f1b96f59349..cf0eaa04b064 100644
--- a/drivers/watchdog/iTCO_vendor_support.c
+++ b/drivers/watchdog/iTCO_vendor_support.c
@@ -39,8 +39,10 @@
/* Broken BIOS */
#define BROKEN_BIOS 911

-static int vendorsupport;
-module_param(vendorsupport, int, 0);
+int iTCO_vendorsupport;
+EXPORT_SYMBOL(iTCO_vendorsupport);
+
+module_param_named(vendorsupport, iTCO_vendorsupport, int, 0);
MODULE_PARM_DESC(vendorsupport, "iTCO vendor specific support mode, default="
"0 (none), 1=SuperMicro Pent3, 911=Broken SMI BIOS");

@@ -152,7 +154,7 @@ static void broken_bios_stop(struct resource *smires)
void iTCO_vendor_pre_start(struct resource *smires,
unsigned int heartbeat)
{
- switch (vendorsupport) {
+ switch (iTCO_vendorsupport) {
case SUPERMICRO_OLD_BOARD:
supermicro_old_pre_start(smires);
break;
@@ -165,7 +167,7 @@ EXPORT_SYMBOL(iTCO_vendor_pre_start);

void iTCO_vendor_pre_stop(struct resource *smires)
{
- switch (vendorsupport) {
+ switch (iTCO_vendorsupport) {
case SUPERMICRO_OLD_BOARD:
supermicro_old_pre_stop(smires);
break;
@@ -178,7 +180,7 @@ EXPORT_SYMBOL(iTCO_vendor_pre_stop);

int iTCO_vendor_check_noreboot_on(void)
{
- switch (vendorsupport) {
+ switch (iTCO_vendorsupport) {
case SUPERMICRO_OLD_BOARD:
return 0;
default:
@@ -189,13 +191,13 @@ EXPORT_SYMBOL(iTCO_vendor_check_noreboot_on);

static int __init iTCO_vendor_init_module(void)
{
- if (vendorsupport == SUPERMICRO_NEW_BOARD) {
+ if (iTCO_vendorsupport == SUPERMICRO_NEW_BOARD) {
pr_warn("Option vendorsupport=%d is no longer supported, "
"please use the w83627hf_wdt driver instead\n",
SUPERMICRO_NEW_BOARD);
return -EINVAL;
}
- pr_info("vendor-support=%d\n", vendorsupport);
+ pr_info("vendor-support=%d\n", iTCO_vendorsupport);
return 0;
}

--
2.25.0


2020-02-26 13:33:09

by Guenter Roeck

[permalink] [raw]
Subject: Re: [PATCH v2 1/3] watchdog: iTCO_wdt: Export vendorsupport

On 2/26/20 5:21 AM, Mika Westerberg wrote:
> In preparation for making ->smi_res optional the iTCO_wdt driver needs
> to know whether vendorsupport is being set to non-zero. For this reason
> export the variable.
>
> Signed-off-by: Mika Westerberg <[email protected]>

Reviewed-by: Guenter Roeck <[email protected]>

I assume you'll send the series upstream in one go (through i2c ?).
If not, please let me and Wim know.

Thanks,
Guenter

> ---
> drivers/watchdog/iTCO_vendor.h | 2 ++
> drivers/watchdog/iTCO_vendor_support.c | 16 +++++++++-------
> 2 files changed, 11 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/watchdog/iTCO_vendor.h b/drivers/watchdog/iTCO_vendor.h
> index 0f7373ba10d5..69e92e692ae0 100644
> --- a/drivers/watchdog/iTCO_vendor.h
> +++ b/drivers/watchdog/iTCO_vendor.h
> @@ -1,10 +1,12 @@
> /* SPDX-License-Identifier: GPL-2.0 */
> /* iTCO Vendor Specific Support hooks */
> #ifdef CONFIG_ITCO_VENDOR_SUPPORT
> +extern int iTCO_vendorsupport;
> extern void iTCO_vendor_pre_start(struct resource *, unsigned int);
> extern void iTCO_vendor_pre_stop(struct resource *);
> extern int iTCO_vendor_check_noreboot_on(void);
> #else
> +#define iTCO_vendorsupport 0
> #define iTCO_vendor_pre_start(acpibase, heartbeat) {}
> #define iTCO_vendor_pre_stop(acpibase) {}
> #define iTCO_vendor_check_noreboot_on() 1
> diff --git a/drivers/watchdog/iTCO_vendor_support.c b/drivers/watchdog/iTCO_vendor_support.c
> index 4f1b96f59349..cf0eaa04b064 100644
> --- a/drivers/watchdog/iTCO_vendor_support.c
> +++ b/drivers/watchdog/iTCO_vendor_support.c
> @@ -39,8 +39,10 @@
> /* Broken BIOS */
> #define BROKEN_BIOS 911
>
> -static int vendorsupport;
> -module_param(vendorsupport, int, 0);
> +int iTCO_vendorsupport;
> +EXPORT_SYMBOL(iTCO_vendorsupport);
> +
> +module_param_named(vendorsupport, iTCO_vendorsupport, int, 0);
> MODULE_PARM_DESC(vendorsupport, "iTCO vendor specific support mode, default="
> "0 (none), 1=SuperMicro Pent3, 911=Broken SMI BIOS");
>
> @@ -152,7 +154,7 @@ static void broken_bios_stop(struct resource *smires)
> void iTCO_vendor_pre_start(struct resource *smires,
> unsigned int heartbeat)
> {
> - switch (vendorsupport) {
> + switch (iTCO_vendorsupport) {
> case SUPERMICRO_OLD_BOARD:
> supermicro_old_pre_start(smires);
> break;
> @@ -165,7 +167,7 @@ EXPORT_SYMBOL(iTCO_vendor_pre_start);
>
> void iTCO_vendor_pre_stop(struct resource *smires)
> {
> - switch (vendorsupport) {
> + switch (iTCO_vendorsupport) {
> case SUPERMICRO_OLD_BOARD:
> supermicro_old_pre_stop(smires);
> break;
> @@ -178,7 +180,7 @@ EXPORT_SYMBOL(iTCO_vendor_pre_stop);
>
> int iTCO_vendor_check_noreboot_on(void)
> {
> - switch (vendorsupport) {
> + switch (iTCO_vendorsupport) {
> case SUPERMICRO_OLD_BOARD:
> return 0;
> default:
> @@ -189,13 +191,13 @@ EXPORT_SYMBOL(iTCO_vendor_check_noreboot_on);
>
> static int __init iTCO_vendor_init_module(void)
> {
> - if (vendorsupport == SUPERMICRO_NEW_BOARD) {
> + if (iTCO_vendorsupport == SUPERMICRO_NEW_BOARD) {
> pr_warn("Option vendorsupport=%d is no longer supported, "
> "please use the w83627hf_wdt driver instead\n",
> SUPERMICRO_NEW_BOARD);
> return -EINVAL;
> }
> - pr_info("vendor-support=%d\n", vendorsupport);
> + pr_info("vendor-support=%d\n", iTCO_vendorsupport);
> return 0;
> }
>
>

2020-02-26 13:40:21

by Mika Westerberg

[permalink] [raw]
Subject: Re: [PATCH v2 1/3] watchdog: iTCO_wdt: Export vendorsupport

On Wed, Feb 26, 2020 at 05:32:40AM -0800, Guenter Roeck wrote:
> On 2/26/20 5:21 AM, Mika Westerberg wrote:
> > In preparation for making ->smi_res optional the iTCO_wdt driver needs
> > to know whether vendorsupport is being set to non-zero. For this reason
> > export the variable.
> >
> > Signed-off-by: Mika Westerberg <[email protected]>
>
> Reviewed-by: Guenter Roeck <[email protected]>

Thanks!

> I assume you'll send the series upstream in one go (through i2c ?).
> If not, please let me and Wim know.

Yes, I was hoping that Wolfram could take these through his I2C tree.

2020-03-10 09:31:04

by Wolfram Sang

[permalink] [raw]
Subject: Re: [PATCH v2 1/3] watchdog: iTCO_wdt: Export vendorsupport

On Wed, Feb 26, 2020 at 04:21:20PM +0300, Mika Westerberg wrote:
> In preparation for making ->smi_res optional the iTCO_wdt driver needs
> to know whether vendorsupport is being set to non-zero. For this reason
> export the variable.
>
> Signed-off-by: Mika Westerberg <[email protected]>

Sorry, I missed rc5 but it will be in rc6.

Applied to for-current, thanks!


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