On Sat, Aug 30, 2014 at 01:14:23AM +0200, Bjorn Andersson wrote: > From: Kumar Gala <galak@xxxxxxxxxxxxxx> > > Add driver for Qualcomm MSM Hardware Mutex block that exists on > newer Qualcomm SoCs. > > Cc: Jeffrey Hugo <jhugo@xxxxxxxxxxxxxx> > Cc: Eric Holmberg <eholmber@xxxxxxxxxxxxxx> > Cc: Courtney Cavin <courtney.cavin@xxxxxxxxxxxxxx> > Signed-off-by: Kumar Gala <galak@xxxxxxxxxxxxxx> > [bjorn: added pm_runtime calls, from Courtney, > added sfpb-mutex compatible, > updated DT binding documentation formatting] > Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxxxxxx> > --- [...] > diff --git a/drivers/hwspinlock/Kconfig b/drivers/hwspinlock/Kconfig > index 3612cb5..2cd39e2 100644 > --- a/drivers/hwspinlock/Kconfig > +++ b/drivers/hwspinlock/Kconfig > @@ -8,6 +8,17 @@ config HWSPINLOCK > > menu "Hardware Spinlock drivers" > > +config HWSPINLOCK_MSM > + tristate "MSM Hardware Spinlock device" > + depends on ARCH_QCOM This should also depend on OF, as it won't compile or work without it. > + select HWSPINLOCK > + help > + Say y here to support the MSM Hardware Mutex functionality, which > + provides a synchronisation mechanism for the various processors on > + the SoC. > + > + If unsure, say N. > + > config HWSPINLOCK_OMAP > tristate "OMAP Hardware Spinlock device" > depends on ARCH_OMAP4 || SOC_OMAP5 || SOC_DRA7XX || SOC_AM33XX || SOC_AM43XX [...] > +static const struct of_device_id msm_hwspinlock_of_match[] = { > + { .compatible = "qcom,sfpb-mutex", .data = (void *)0x4 }, > + { .compatible = "qcom,tcsr-mutex", .data = (void *)0x80 }, > + { }, > +}; MODULE_DEVICE_TABLE(of, msm_hwspinlock_of_match); ? [...] > +static struct platform_driver msm_hwspinlock_driver = { > + .probe = msm_hwspinlock_probe, > + .remove = msm_hwspinlock_remove, > + .driver = { > + .name = "msm_hwspinlock", > + .owner = THIS_MODULE, No need, as: #define platform_driver_register(drv) \ __platform_driver_register(drv, THIS_MODULE) extern int __platform_driver_register(struct platform_driver *, struct module *); > + .of_match_table = msm_hwspinlock_of_match, > + }, > +}; Otherwise, looks fine. -Courtney -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html