| Message ID | 20180419234324.GA11546@fury (mailing list archive) |
|---|---|
| State | Accepted, archived |
| Delegated to: | Darren Hart |
| Headers | show |
> -----Original Message----- > From: Darren Hart [mailto:dvhart@infradead.org] > Sent: Thursday, April 19, 2018 6:43 PM > To: Limonciello, Mario > Cc: Andy Shevchenko; LKML; platform-driver-x86@vger.kernel.org > Subject: Re: [PATCH] platform/x86: dell-smbios: Match on www.dell.com in OEM > strings too > > On Tue, Apr 17, 2018 at 02:45:56PM -0500, Mario Limonciello wrote: > > Sergey reported that some much older Dell systems don't support > > the OEM string "Dell System" but instead supported www.dell.com > > in OEM strings. > > > > Match both of these to indicate that this driver is running on > > a Dell system. > > > > Reported-by: Sergey Kubushyn <ksi@koi8.net> > > Signed-off-by: Mario Limonciello <mario.limonciello@dell.com> > > Tested-by: Sergey Kubushyn <ksi@koi8.net> > > --- > > drivers/platform/x86/dell-smbios-base.c | 10 +++++++--- > > 1 file changed, 7 insertions(+), 3 deletions(-) > > > > diff --git a/drivers/platform/x86/dell-smbios-base.c b/drivers/platform/x86/dell- > smbios-base.c > > index 2485c80..fbd6557 100644 > > --- a/drivers/platform/x86/dell-smbios-base.c > > +++ b/drivers/platform/x86/dell-smbios-base.c > > @@ -555,11 +555,15 @@ static void free_group(struct platform_device *pdev) > > > > static int __init dell_smbios_init(void) > > { > > - const struct dmi_device *valid; > > + const struct dmi_device *valid_dell_system; > > + const struct dmi_device *valid_www; > > int ret, wmi, smm; > > > > - valid = dmi_find_device(DMI_DEV_TYPE_OEM_STRING, "Dell System", > NULL); > > - if (!valid) { > > + valid_dell_system = > > + dmi_find_device(DMI_DEV_TYPE_OEM_STRING, "Dell System", > NULL); > > + valid_www = > > + dmi_find_device(DMI_DEV_TYPE_OEM_STRING, "www.dell.com", > NULL); > > + if (!valid_dell_system && !valid_www) { > > pr_err("Unable to run on non-Dell system\n"); > > return -ENODEV; > > } > > Hrm, rather than introduce another variable that we don't use and always perform > both tests, when most of the time we only need to do the first, how about > something like: > Darren, That looks good to me, thanks! > > From 2cb5959dadec769167350a9bcb1d212a02b17af8 Mon Sep 17 00:00:00 2001 > Message-Id: > <2cb5959dadec769167350a9bcb1d212a02b17af8.1524181265.git.dvhart@infrad > ead.org> > From: Mario Limonciello <mario.limonciello@dell.com> > Date: Tue, 17 Apr 2018 14:45:56 -0500 > Subject: [PATCH] platform/x86: dell-smbios: Match on www.dell.com in OEM > strings too > > Sergey reported that some much older Dell systems don't support > the OEM string "Dell System" but instead supported www.dell.com > in OEM strings. > > Match both of these to indicate that this driver is running on > a Dell system. > > Reported-by: Sergey Kubushyn <ksi@koi8.net> > Tested-by: Sergey Kubushyn <ksi@koi8.net> > Signed-off-by: Mario Limonciello <mario.limonciello@dell.com> > [dvhart: Simplify DMI logic and eliminate unnecessary variables] > Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org> > --- > drivers/platform/x86/dell-smbios-base.c | 5 ++--- > 1 file changed, 2 insertions(+), 3 deletions(-) > > diff --git a/drivers/platform/x86/dell-smbios-base.c b/drivers/platform/x86/dell- > smbios-base.c > index 33fb2a20458a..9dc282ed5a9e 100644 > --- a/drivers/platform/x86/dell-smbios-base.c > +++ b/drivers/platform/x86/dell-smbios-base.c > @@ -555,11 +555,10 @@ static void free_group(struct platform_device *pdev) > > static int __init dell_smbios_init(void) > { > - const struct dmi_device *valid; > int ret, wmi, smm; > > - valid = dmi_find_device(DMI_DEV_TYPE_OEM_STRING, "Dell System", > NULL); > - if (!valid) { > + if (!dmi_find_device(DMI_DEV_TYPE_OEM_STRING, "Dell System", NULL) > && > + !dmi_find_device(DMI_DEV_TYPE_OEM_STRING, "www.dell.com", > NULL)) { > pr_err("Unable to run on non-Dell system\n"); > return -ENODEV; > } > -- > 2.14.3 > > > -- > Darren Hart > VMware Open Source Technology Center
diff --git a/drivers/platform/x86/dell-smbios-base.c b/drivers/platform/x86/dell-smbios-base.c index 33fb2a20458a..9dc282ed5a9e 100644 --- a/drivers/platform/x86/dell-smbios-base.c +++ b/drivers/platform/x86/dell-smbios-base.c @@ -555,11 +555,10 @@ static void free_group(struct platform_device *pdev) static int __init dell_smbios_init(void) { - const struct dmi_device *valid; int ret, wmi, smm; - valid = dmi_find_device(DMI_DEV_TYPE_OEM_STRING, "Dell System", NULL); - if (!valid) { + if (!dmi_find_device(DMI_DEV_TYPE_OEM_STRING, "Dell System", NULL) && + !dmi_find_device(DMI_DEV_TYPE_OEM_STRING, "www.dell.com", NULL)) { pr_err("Unable to run on non-Dell system\n"); return -ENODEV; }