Hi AngeloGioacchino, Sorry for the late reply. On Thu, 2021-10-21 at 10:52 +0200, AngeloGioacchino Del Regno wrote: > Il 28/04/21 08:54, Roger Lu ha scritto: > > The purpose of SVS is to help find the suitable voltages > > for DVFS. Therefore, if SVS bank voltages are concerned > > to be wrong, we can adjust SVS bank voltages by this patch. > > > > Signed-off-by: Roger Lu <roger.lu@xxxxxxxxxxxx> > > --- > > drivers/soc/mediatek/mtk-svs.c | 328 +++++++++++++++++++++++++++++++++ > > 1 file changed, 328 insertions(+) > > > > diff --git a/drivers/soc/mediatek/mtk-svs.c b/drivers/soc/mediatek/mtk-svs.c > > index 2d2153c92373..8794a2d87baa 100644 > > --- a/drivers/soc/mediatek/mtk-svs.c > > +++ b/drivers/soc/mediatek/mtk-svs.c > > @@ -6,6 +6,7 @@ > > #include <linux/bits.h> > > #include <linux/clk.h> > > #include <linux/completion.h> > > +#include <linux/debugfs.h> > > #include <linux/device.h> > > #include <linux/init.h> > > #include <linux/interrupt.h> > > @@ -24,6 +25,7 @@ > > #include <linux/pm_runtime.h> > > #include <linux/regulator/consumer.h> > > #include <linux/reset.h> > > +#include <linux/seq_file.h> > > #include <linux/slab.h> > > #include <linux/spinlock.h> > > #include <linux/thermal.h> > > @@ -62,6 +64,39 @@ > > #define SVSB_INTSTS_COMPLETE 0x1 > > #define SVSB_INTSTS_CLEAN 0x00ffffff > > > > +#define debug_fops_ro(name) > > \ > > + static int svs_##name##_debug_open(struct inode *inode, \ > > + struct file *filp) \ > > + { \ > > + return single_open(filp, svs_##name##_debug_show, \ > > + inode->i_private); \ > > + } \ > > + static const struct file_operations svs_##name##_debug_fops = { \ > > + .owner = THIS_MODULE, \ > > + .open = svs_##name##_debug_open, \ > > + .read = seq_read, \ > > + .llseek = seq_lseek, \ > > + .release = single_release, \ > > + } > > + > > +#define debug_fops_rw(name) > > \ > > + static int svs_##name##_debug_open(struct inode *inode, \ > > + struct file *filp) \ > > + { \ > > + return single_open(filp, svs_##name##_debug_show, \ > > + inode->i_private); \ > > + } \ > > + static const struct file_operations svs_##name##_debug_fops = { \ > > + .owner = THIS_MODULE, \ > > + .open = svs_##name##_debug_open, \ > > + .read = seq_read, \ > > + .write = svs_##name##_debug_write, \ > > + .llseek = seq_lseek, \ > > + .release = single_release, \ > > + } > > + > > +#define svs_dentry(name) {__stringify(name), &svs_##name##_debug_fops} > > + > > static DEFINE_SPINLOCK(mtk_svs_lock); > > > > /* > > @@ -83,6 +118,7 @@ enum svsb_phase { > > SVSB_PHASE_INIT01, > > SVSB_PHASE_INIT02, > > SVSB_PHASE_MON, > > + SVSB_PHASE_NUM, > > I would move the addition of these last members in the previous (3/7) patch, > where you introduce the driver in the first place. > > Also, I think that using _MAX instead would be better, as it is pretty > much a common practice. So, this would become SVSB_PHASE_MAX. Okay. I'll move it to previous (3/7) patch. Thanks for advice. > > > }; > > > > enum svs_reg_index { > > @@ -140,6 +176,7 @@ enum svs_reg_index { > > SPARE2, > > SPARE3, > > THSLPEVEB, > > + SVS_REG_NUM, > > ... and this would become SVS_REG_MAX Okay. I'll move it to previous (3/7) patch. Thanks for advice. > > > }; > > > > static const u32 svs_regs_v2[] = { > > Apart from that, > > Acked-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> >