RE: [ PATCH: 1/1] dell smbios driver : Consider Alienware a valid OEM String

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> -----Original Message-----
> From: Hans de Goede <hdegoede@xxxxxxxxxx>
> Sent: Saturday, October 3, 2020 8:01
> To: Gerardo Esteban Malazdrewicz; Pali Rohár; Limonciello, Mario
> Cc: platform-driver-x86@xxxxxxxxxxxxxxx
> Subject: Re: [ PATCH: 1/1] dell smbios driver : Consider Alienware a valid OEM
> String
> 
> 
> [EXTERNAL EMAIL]
> 
> Hi,
> 
> On 10/3/20 1:52 PM, Gerardo Esteban Malazdrewicz wrote:
> >  From bda6b6db0d76186ff37ffce8ac836379447ef2bc Mon Sep 17 00:00:00 2001
> > From: Gerardo Malazdrewicz <36243997+GerMalaz@xxxxxxxxxxxxxxxxxxxxxxxx>
> > Date: Sat, 3 Oct 2020 07:43:02 -0300
> > Subject: [PATCH] dell-smbios-base: Consider Alienware a Dell system
> >
> > Alienware has been a subsidiary of Dell since 2006.
> >
> > 2020 Alienware laptop:
> > $ sudo dmidecode | head -3
> > # dmidecode 3.2
> > Getting SMBIOS data from sysfs.
> > SMBIOS 3.2.0 present.
> > $ sudo dmidecode | grep -A 29 "OEM Strings"
> > OEM Strings
> > 	String 1: Alienware
> > 	String 2: 1[099B]
> > 	String 3: 3[1.0]
> > 	String 4: 4[0001]
> > 	String 5: 5[0000]
> > 	String 6: 6[D0, D4, D8, DA, DE]
> > 	String 7: 7[]
> > 	String 8: 8[]
> > 	String 9: 9[]
> > 	String 10: 10[1.3.0]
> > 	String 11: 11[]
> > 	String 12: 12[]
> > 	String 13: 13[P38E002]
> > 	String 14: 14[0]
> > 	String 15: 15[0]
> > 	String 16: 16[0]
> > 	String 17: 17[0000000000000000]
> > 	String 18: 18[0]
> > 	String 19: 19[1]
> > 	String 20: 20[]
> > 	String 21: 21[]
> > 	String 22: <BAD INDEX>
> > 	String 23: <BAD INDEX>
> > 	String 24: <BAD INDEX>
> > 	String 25: <BAD INDEX>
> > 	String 26: <BAD INDEX>
> > 	String 27: <BAD INDEX>
> > 	String 28: <BAD INDEX>
> >
> > 2013 Alienware laptop:
> > OEM Strings
> >          String 1: Dell System
> >          String 2: 1[05AA]
> >          String 3: 14[2]
> >          String 4: 15[0]
> >          String 5: String5 for Original Equipment Manufacturer
> >
> > Don't know when the OEM String changed.
> > Change tested in the 2020 laptop, loads dell_smbios without further
> > issues.
> >
> > Thanks,
> >          Gerardo
> 
> The "Thanks, Gerado" bit is a bit weird for in a commit message,
> otherwise this looks good to me (please wait for further feedback
> before sending a v2 though).
> 
> Mario, what is your take on this, do you think this change is ok,
> or might this cause some issues ?
> 
> Regards,
> 
> Hans
> 
> 
> 
> 
> 
> 
> >
> > Signed-off-by: Gerardo E. Malazdrewicz <gerardo@xxxxxxxxxxxxxxxxxxx>
> > ---
> >   drivers/platform/x86/dell-smbios-base.c | 3 ++-
> >   1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/platform/x86/dell-smbios-base.c
> > b/drivers/platform/x86/dell-smbios-base.c
> > index 2e2cd565926aa..5ad6f7c105cf3 100644
> > --- a/drivers/platform/x86/dell-smbios-base.c
> > +++ b/drivers/platform/x86/dell-smbios-base.c
> > @@ -564,7 +564,8 @@ static int __init dell_smbios_init(void)
> >   	int ret, wmi, smm;
> >
> >   	if (!dmi_find_device(DMI_DEV_TYPE_OEM_STRING, "Dell System",
> > NULL) &&
> > -	    !dmi_find_device(DMI_DEV_TYPE_OEM_STRING, "www.dell.com",
> > NULL)) {
> > +	    !dmi_find_device(DMI_DEV_TYPE_OEM_STRING, "www.dell.com",
> > NULL) &&
> > +	    !dmi_find_device(DMI_DEV_TYPE_OEM_STRING, "Alienware",
> > NULL)) {
> >   		pr_err("Unable to run on non-Dell system\n");
> >   		return -ENODEV;
> >   	}
> >
> >

Yes, this should be fine.  There are other checks to make sure the
interface is really there, and as pointed out Alienware is a Dell brand.

Since this is pretty straightforward I would think Hans can just fixup
the commit message to drop the "Thanks".  Otherwise feel free to add
for the content to this for v2:
Reviewed-by: Mario Limonciello <mario.limonciello@xxxxxxxx>




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