| Message ID | 20240309071757.3152-1-liubo03@inspur.com |
|---|---|
| State | New |
| Headers | show |
| Series | usb: typec: stusb160x: convert to use maple tree register cache | expand |
On Sat, Mar 09, 2024 at 02:17:57AM -0500, Bo Liu wrote: > The maple tree register cache is based on a much more modern data structure > than the rbtree cache and makes optimisation choices which are probably > more appropriate for modern systems than those made by the rbtree cache. > > Signed-off-by: Bo Liu <liubo03@inspur.com> Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> > --- > drivers/usb/typec/stusb160x.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/usb/typec/stusb160x.c b/drivers/usb/typec/stusb160x.c > index 3ab118df1bd4..f3140fc04c12 100644 > --- a/drivers/usb/typec/stusb160x.c > +++ b/drivers/usb/typec/stusb160x.c > @@ -234,7 +234,7 @@ static const struct regmap_config stusb1600_regmap_config = { > .readable_reg = stusb160x_reg_readable, > .volatile_reg = stusb160x_reg_volatile, > .precious_reg = stusb160x_reg_precious, > - .cache_type = REGCACHE_RBTREE, > + .cache_type = REGCACHE_MAPLE, > }; > > static bool stusb160x_get_vconn(struct stusb160x *chip) > -- > 2.18.2
diff --git a/drivers/usb/typec/stusb160x.c b/drivers/usb/typec/stusb160x.c index 3ab118df1bd4..f3140fc04c12 100644 --- a/drivers/usb/typec/stusb160x.c +++ b/drivers/usb/typec/stusb160x.c @@ -234,7 +234,7 @@ static const struct regmap_config stusb1600_regmap_config = { .readable_reg = stusb160x_reg_readable, .volatile_reg = stusb160x_reg_volatile, .precious_reg = stusb160x_reg_precious, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, }; static bool stusb160x_get_vconn(struct stusb160x *chip)
The maple tree register cache is based on a much more modern data structure than the rbtree cache and makes optimisation choices which are probably more appropriate for modern systems than those made by the rbtree cache. Signed-off-by: Bo Liu <liubo03@inspur.com> --- drivers/usb/typec/stusb160x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)