thermal: intel: intel_soc_dts_iosf: Utilize for_each_set_clump8 macro

Utilize for_each_set_clump8 macro, and the bitmap_set_value8 and
bitmap_get_value8 functions, where appropriate.  In addition, remove the
now unnecessary temp_mask and temp_shift members of the
intel_soc_dts_sensor_entry structure.

Link: http://lkml.kernel.org/r/2d3c74e9a00a52954f31d19e04623a7f4bc85520.1570641097.git.vilhelm.gray@gmail.com
Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Lukas Wunner <lukas@wunner.de>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Mathias Duckeck <m.duckeck@kunbus.de>
Cc: Morten Hein Tiljeset <morten.tiljeset@prevas.dk>
Cc: Phil Reid <preid@electromag.com.au>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Sean Nyekjaer <sean.nyekjaer@prevas.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/thermal/intel/intel_soc_dts_iosf.c b/drivers/thermal/intel/intel_soc_dts_iosf.c
index 5716b62..f75271b 100644 (file)
--- a/drivers/thermal/intel/intel_soc_dts_iosf.c
+++ b/drivers/thermal/intel/intel_soc_dts_iosf.c
@@ -6,6 +6,7 @@
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
+#include <linux/bitops.h>
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/interrupt.h>
@@ -103,6 +104,7 @@ static int update_trip_temp(struct intel_soc_dts_sensor_entry *dts,
        int status;
        u32 temp_out;
        u32 out;
+       unsigned long update_ptps;
        u32 store_ptps;
        u32 store_ptmc;
        u32 store_te_out;
@@ -120,8 +122,10 @@ static int update_trip_temp(struct intel_soc_dts_sensor_entry *dts,
        if (status)
                return status;
 
-       out = (store_ptps & ~(0xFF << (thres_index * 8)));
-       out |= (temp_out & 0xFF) << (thres_index * 8);
+       update_ptps = store_ptps;
+       bitmap_set_value8(&update_ptps, temp_out & 0xFF, thres_index * 8);
+       out = update_ptps;
+
        status = iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE,
                                SOC_DTS_OFFSET_PTPS, out);
        if (status)
@@ -223,6 +227,7 @@ static int sys_get_curr_temp(struct thermal_zone_device *tzd,
        u32 out;
        struct intel_soc_dts_sensor_entry *dts;
        struct intel_soc_dts_sensors *sensors;
+       unsigned long raw;
 
        dts = tzd->devdata;
        sensors = dts->sensors;
@@ -231,8 +236,8 @@ static int sys_get_curr_temp(struct thermal_zone_device *tzd,
        if (status)
                return status;
 
-       out = (out & dts->temp_mask) >> dts->temp_shift;
-       out -= SOC_DTS_TJMAX_ENCODING;
+       raw = out;
+       out = bitmap_get_value8(&raw, dts->id * 8) - SOC_DTS_TJMAX_ENCODING;
        *temp = sensors->tj_max - out * 1000;
 
        return 0;
@@ -280,11 +285,14 @@ static int add_dts_thermal_zone(int id, struct intel_soc_dts_sensor_entry *dts,
                                int read_only_trip_cnt)
 {
        char name[10];
+       unsigned long trip;
        int trip_count = 0;
        int trip_mask = 0;
+       int writable_trip_cnt = 0;
+       unsigned long ptps;
        u32 store_ptps;
+       unsigned long i;
        int ret;
-       int i;
 
        /* Store status to restor on exit */
        ret = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ,
@@ -293,11 +301,10 @@ static int add_dts_thermal_zone(int id, struct intel_soc_dts_sensor_entry *dts,
                goto err_ret;
 
        dts->id = id;
-       dts->temp_mask = 0x00FF << (id * 8);
-       dts->temp_shift = id * 8;
        if (notification_support) {
                trip_count = min(SOC_MAX_DTS_TRIPS, trip_cnt);
-               trip_mask = BIT(trip_count - read_only_trip_cnt) - 1;
+               writable_trip_cnt = trip_count - read_only_trip_cnt;
+               trip_mask = GENMASK(writable_trip_cnt - 1, 0);
        }
 
        /* Check if the writable trip we provide is not used by BIOS */
@@ -306,11 +313,9 @@ static int add_dts_thermal_zone(int id, struct intel_soc_dts_sensor_entry *dts,
        if (ret)
                trip_mask = 0;
        else {
-               for (i = 0; i < trip_count; ++i) {
-                       if (trip_mask & BIT(i))
-                               if (store_ptps & (0xff << (i * 8)))
-                                       trip_mask &= ~BIT(i);
-               }
+               ptps = store_ptps;
+               for_each_set_clump8(i, trip, &ptps, writable_trip_cnt * 8)
+                       trip_mask &= ~BIT(i / 8);
        }
        dts->trip_mask = trip_mask;
        dts->trip_count = trip_count;

diff --git a/drivers/thermal/intel/intel_soc_dts_iosf.h b/drivers/thermal/intel/intel_soc_dts_iosf.h
index adfb09a..c549457 100644 (file)
--- a/drivers/thermal/intel/intel_soc_dts_iosf.h
+++ b/drivers/thermal/intel/intel_soc_dts_iosf.h
@@ -24,8 +24,6 @@ struct intel_soc_dts_sensors;
 
 struct intel_soc_dts_sensor_entry {
        int id;
-       u32 temp_mask;
-       u32 temp_shift;
        u32 store_status;
        u32 trip_mask;
        u32 trip_count;