>>-----Original Message----- >>From: Kevin Hilman [mailto:khilman@xxxxxxxxxxxxxxxxxxx] >>Sent: Wednesday, August 25, 2010 4:43 AM >>To: Gopinath, Thara >>Cc: linux-omap@xxxxxxxxxxxxxxx; paul@xxxxxxxxx; Sripathy, Vishwanath; Sawant, Anand >>Subject: Re: [PATCH v2] OMAP4: pm.c extensions for OMAP4 support >> >>On Tue, 2010-08-24 at 14:58 -0700, Kevin Hilman wrote: >>> Thara Gopinath <thara@xxxxxx> writes: >>> >>> > OMAP4 has an iva device and a dsp devcice where as OMAP2/3 >>> > has only an iva device. In this file the iva device in the >>> > system is registered under the name dsp_dev and the API >>> > to retrieve the iva device is omap2_get_dsp_device. >>> > This patch renames the dsp_dev to iva_dev, renames >>> > omap2_get_dsp_device to omap2_get_iva_device, >>> > registers dsp_dev for OMAP4 and adds a new API >>> > omap4_get_dsp_device to retrieve the dep_dev. >>> > >>> > Signed-off-by: Thara Gopinath <thara@xxxxxx> >>> > --- >>> > v2: Removed fixing of l3_main hwmod for OMAP4 as Benoit has >>> > already submitted a pach fixing the same. >>> >>> OK, applying this to pm-fixes. >> >>No second thought, not yet... >> >>> >>> > arch/arm/mach-omap2/pm.c | 19 ++++++++++++++----- >>> > arch/arm/plat-omap/include/plat/common.h | 3 ++- >>> > 2 files changed, 16 insertions(+), 6 deletions(-) >>> > >>> > diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c >>> > index 68f9f2e..a98b5e8 100644 >>> > --- a/arch/arm/mach-omap2/pm.c >>> > +++ b/arch/arm/mach-omap2/pm.c >>> > @@ -21,8 +21,9 @@ >>> > static struct omap_device_pm_latency *pm_lats; >>> > >>> > static struct device *mpu_dev; >>> > -static struct device *dsp_dev; >>> > +static struct device *iva_dev; >>> > static struct device *l3_dev; >>> > +static struct device *dsp_dev; >>> > >>> > struct device *omap2_get_mpuss_device(void) >>> > { >>> > @@ -30,10 +31,10 @@ struct device *omap2_get_mpuss_device(void) >>> > return mpu_dev; >>> > } >>> > >>> > -struct device *omap2_get_dsp_device(void) >>> > +struct device *omap2_get_iva_device(void) >>> > { >>> > - WARN_ON_ONCE(!dsp_dev); >>> > - return dsp_dev; >>> > + WARN_ON_ONCE(!iva_dev); >>> > + return iva_dev; >>> > } >>> > >>> > struct device *omap2_get_l3_device(void) >>> > @@ -42,6 +43,13 @@ struct device *omap2_get_l3_device(void) >>> > return l3_dev; >>> > } >>> > >>> > +struct device *omap4_get_dsp_device(void) >>> > +{ >>> > + WARN_ON_ONCE(!dsp_dev); >>> > + return dsp_dev; >>> > +} >>> > +EXPORT_SYMBOL(omap4_get_dsp_device); >>> > + >>> > /* static int _init_omap_device(struct omap_hwmod *oh, void *user) */ >>> > static int _init_omap_device(char *name, struct device **new_dev) >>> > { >>> > @@ -69,7 +77,8 @@ static int _init_omap_device(char *name, struct device **new_dev) >>> > static void omap2_init_processor_devices(void) >>> > { >>> > _init_omap_device("mpu", &mpu_dev); >>> > - _init_omap_device("iva", &dsp_dev); >>> > + _init_omap_device("iva", &iva_dev); >>> > + _init_omap_device("dsp", &dsp_dev); >> >>this one causes the noisy WARN to be tirggered on !OMAP4. Since !OMAP4 >>doesn't have a DSP, we shouldn't be warning users about a missing dsp >>hwmod. Hello Kevin, I will put a OMAP4 check across this and repost. Regards Thara >> >>Kevin >> >>> > _init_omap_device("l3_main", &l3_dev); >>> > } >>> > >>> > diff --git a/arch/arm/plat-omap/include/plat/common.h b/arch/arm/plat-omap/include/plat/common.h >>> > index 9776b41..c45dbb9 100644 >>> > --- a/arch/arm/plat-omap/include/plat/common.h >>> > +++ b/arch/arm/plat-omap/include/plat/common.h >>> > @@ -91,7 +91,8 @@ void omap3_map_io(void); >>> > }) >>> > >>> > extern struct device *omap2_get_mpuss_device(void); >>> > -extern struct device *omap2_get_dsp_device(void); >>> > +extern struct device *omap2_get_iva_device(void); >>> > extern struct device *omap2_get_l3_device(void); >>> > +extern struct device *omap4_get_dsp_device(void); >>> > >>> > #endif /* __ARCH_ARM_MACH_OMAP_COMMON_H */ >> ��.n��������+%������w��{.n�����{�������ܨ}���Ơz�j:+v�����w����ޙ��&�)ߡ�a����z�ޗ���ݢj��w�f