2022-01-21 21:09:26

by Laurent Vivier

[permalink] [raw]
Subject: [PATCH v11 3/5] rtc: goldfish: use gf_ioread32()/gf_iowrite32()

replace readl()/writel() by gf_ioread32()/gf_iowrite32()
as done for goldfish-tty.

Signed-off-by: Laurent Vivier <[email protected]>
---
drivers/rtc/rtc-goldfish.c | 30 +++++++++++++++---------------
1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/drivers/rtc/rtc-goldfish.c b/drivers/rtc/rtc-goldfish.c
index 7ab95d052644..a3a556f6a3e0 100644
--- a/drivers/rtc/rtc-goldfish.c
+++ b/drivers/rtc/rtc-goldfish.c
@@ -41,8 +41,8 @@ static int goldfish_rtc_read_alarm(struct device *dev,
rtcdrv = dev_get_drvdata(dev);
base = rtcdrv->base;

- rtc_alarm_low = readl(base + TIMER_ALARM_LOW);
- rtc_alarm_high = readl(base + TIMER_ALARM_HIGH);
+ rtc_alarm_low = gf_ioread32(base + TIMER_ALARM_LOW);
+ rtc_alarm_high = gf_ioread32(base + TIMER_ALARM_HIGH);
rtc_alarm = (rtc_alarm_high << 32) | rtc_alarm_low;

do_div(rtc_alarm, NSEC_PER_SEC);
@@ -50,7 +50,7 @@ static int goldfish_rtc_read_alarm(struct device *dev,

rtc_time64_to_tm(rtc_alarm, &alrm->time);

- if (readl(base + TIMER_ALARM_STATUS))
+ if (gf_ioread32(base + TIMER_ALARM_STATUS))
alrm->enabled = 1;
else
alrm->enabled = 0;
@@ -71,18 +71,18 @@ static int goldfish_rtc_set_alarm(struct device *dev,

if (alrm->enabled) {
rtc_alarm64 = rtc_tm_to_time64(&alrm->time) * NSEC_PER_SEC;
- writel((rtc_alarm64 >> 32), base + TIMER_ALARM_HIGH);
- writel(rtc_alarm64, base + TIMER_ALARM_LOW);
- writel(1, base + TIMER_IRQ_ENABLED);
+ gf_iowrite32((rtc_alarm64 >> 32), base + TIMER_ALARM_HIGH);
+ gf_iowrite32(rtc_alarm64, base + TIMER_ALARM_LOW);
+ gf_iowrite32(1, base + TIMER_IRQ_ENABLED);
} else {
/*
* if this function was called with enabled=0
* then it could mean that the application is
* trying to cancel an ongoing alarm
*/
- rtc_status_reg = readl(base + TIMER_ALARM_STATUS);
+ rtc_status_reg = gf_ioread32(base + TIMER_ALARM_STATUS);
if (rtc_status_reg)
- writel(1, base + TIMER_CLEAR_ALARM);
+ gf_iowrite32(1, base + TIMER_CLEAR_ALARM);
}

return 0;
@@ -98,9 +98,9 @@ static int goldfish_rtc_alarm_irq_enable(struct device *dev,
base = rtcdrv->base;

if (enabled)
- writel(1, base + TIMER_IRQ_ENABLED);
+ gf_iowrite32(1, base + TIMER_IRQ_ENABLED);
else
- writel(0, base + TIMER_IRQ_ENABLED);
+ gf_iowrite32(0, base + TIMER_IRQ_ENABLED);

return 0;
}
@@ -110,7 +110,7 @@ static irqreturn_t goldfish_rtc_interrupt(int irq, void *dev_id)
struct goldfish_rtc *rtcdrv = dev_id;
void __iomem *base = rtcdrv->base;

- writel(1, base + TIMER_CLEAR_INTERRUPT);
+ gf_iowrite32(1, base + TIMER_CLEAR_INTERRUPT);

rtc_update_irq(rtcdrv->rtc, 1, RTC_IRQF | RTC_AF);

@@ -128,8 +128,8 @@ static int goldfish_rtc_read_time(struct device *dev, struct rtc_time *tm)
rtcdrv = dev_get_drvdata(dev);
base = rtcdrv->base;

- time_low = readl(base + TIMER_TIME_LOW);
- time_high = readl(base + TIMER_TIME_HIGH);
+ time_low = gf_ioread32(base + TIMER_TIME_LOW);
+ time_high = gf_ioread32(base + TIMER_TIME_HIGH);
time = (time_high << 32) | time_low;

do_div(time, NSEC_PER_SEC);
@@ -149,8 +149,8 @@ static int goldfish_rtc_set_time(struct device *dev, struct rtc_time *tm)
base = rtcdrv->base;

now64 = rtc_tm_to_time64(tm) * NSEC_PER_SEC;
- writel((now64 >> 32), base + TIMER_TIME_HIGH);
- writel(now64, base + TIMER_TIME_LOW);
+ gf_iowrite32((now64 >> 32), base + TIMER_TIME_HIGH);
+ gf_iowrite32(now64, base + TIMER_TIME_LOW);

return 0;
}
--
2.34.1


2022-01-21 22:27:44

by kernel test robot

[permalink] [raw]
Subject: Re: [PATCH v11 3/5] rtc: goldfish: use gf_ioread32()/gf_iowrite32()

Hi Laurent,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on tip/timers/core]
[also build test ERROR on linux/master linus/master v5.16 next-20220120]
[cannot apply to geert-m68k/for-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url: https://github.com/0day-ci/linux/commits/Laurent-Vivier/m68k-Add-Virtual-M68k-Machine/20220120-160832
base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 35e13e9da9afbce13c1d36465504ece4e65f24fe
config: riscv-randconfig-r042-20220120 (https://download.01.org/0day-ci/archive/20220121/[email protected]/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project f7b7138a62648f4019c55e4671682af1f851f295)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
# https://github.com/0day-ci/linux/commit/82ea64fc7cab43e258085769ed1d90b0685bf091
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Laurent-Vivier/m68k-Add-Virtual-M68k-Machine/20220120-160832
git checkout 82ea64fc7cab43e258085769ed1d90b0685bf091
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/rtc/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>

All errors (new ones prefixed by >>):

>> drivers/rtc/rtc-goldfish.c:44:18: error: implicit declaration of function 'gf_ioread32' [-Werror,-Wimplicit-function-declaration]
rtc_alarm_low = gf_ioread32(base + TIMER_ALARM_LOW);
^
drivers/rtc/rtc-goldfish.c:44:18: note: did you mean 'ioread32'?
include/asm-generic/io.h:726:19: note: 'ioread32' declared here
static inline u32 ioread32(const volatile void __iomem *addr)
^
include/asm-generic/io.h:725:18: note: expanded from macro 'ioread32'
#define ioread32 ioread32
^
>> drivers/rtc/rtc-goldfish.c:74:3: error: implicit declaration of function 'gf_iowrite32' [-Werror,-Wimplicit-function-declaration]
gf_iowrite32((rtc_alarm64 >> 32), base + TIMER_ALARM_HIGH);
^
drivers/rtc/rtc-goldfish.c:74:3: note: did you mean 'iowrite32'?
include/asm-generic/io.h:760:20: note: 'iowrite32' declared here
static inline void iowrite32(u32 value, volatile void __iomem *addr)
^
include/asm-generic/io.h:759:19: note: expanded from macro 'iowrite32'
#define iowrite32 iowrite32
^
drivers/rtc/rtc-goldfish.c:83:20: error: implicit declaration of function 'gf_ioread32' [-Werror,-Wimplicit-function-declaration]
rtc_status_reg = gf_ioread32(base + TIMER_ALARM_STATUS);
^
drivers/rtc/rtc-goldfish.c:85:4: error: implicit declaration of function 'gf_iowrite32' [-Werror,-Wimplicit-function-declaration]
gf_iowrite32(1, base + TIMER_CLEAR_ALARM);
^
drivers/rtc/rtc-goldfish.c:101:3: error: implicit declaration of function 'gf_iowrite32' [-Werror,-Wimplicit-function-declaration]
gf_iowrite32(1, base + TIMER_IRQ_ENABLED);
^
drivers/rtc/rtc-goldfish.c:113:2: error: implicit declaration of function 'gf_iowrite32' [-Werror,-Wimplicit-function-declaration]
gf_iowrite32(1, base + TIMER_CLEAR_INTERRUPT);
^
drivers/rtc/rtc-goldfish.c:131:13: error: implicit declaration of function 'gf_ioread32' [-Werror,-Wimplicit-function-declaration]
time_low = gf_ioread32(base + TIMER_TIME_LOW);
^
drivers/rtc/rtc-goldfish.c:152:2: error: implicit declaration of function 'gf_iowrite32' [-Werror,-Wimplicit-function-declaration]
gf_iowrite32((now64 >> 32), base + TIMER_TIME_HIGH);
^
8 errors generated.


vim +/gf_ioread32 +44 drivers/rtc/rtc-goldfish.c

31
32 static int goldfish_rtc_read_alarm(struct device *dev,
33 struct rtc_wkalrm *alrm)
34 {
35 u64 rtc_alarm;
36 u64 rtc_alarm_low;
37 u64 rtc_alarm_high;
38 void __iomem *base;
39 struct goldfish_rtc *rtcdrv;
40
41 rtcdrv = dev_get_drvdata(dev);
42 base = rtcdrv->base;
43
> 44 rtc_alarm_low = gf_ioread32(base + TIMER_ALARM_LOW);
45 rtc_alarm_high = gf_ioread32(base + TIMER_ALARM_HIGH);
46 rtc_alarm = (rtc_alarm_high << 32) | rtc_alarm_low;
47
48 do_div(rtc_alarm, NSEC_PER_SEC);
49 memset(alrm, 0, sizeof(struct rtc_wkalrm));
50
51 rtc_time64_to_tm(rtc_alarm, &alrm->time);
52
53 if (gf_ioread32(base + TIMER_ALARM_STATUS))
54 alrm->enabled = 1;
55 else
56 alrm->enabled = 0;
57
58 return 0;
59 }
60
61 static int goldfish_rtc_set_alarm(struct device *dev,
62 struct rtc_wkalrm *alrm)
63 {
64 struct goldfish_rtc *rtcdrv;
65 u64 rtc_alarm64;
66 u64 rtc_status_reg;
67 void __iomem *base;
68
69 rtcdrv = dev_get_drvdata(dev);
70 base = rtcdrv->base;
71
72 if (alrm->enabled) {
73 rtc_alarm64 = rtc_tm_to_time64(&alrm->time) * NSEC_PER_SEC;
> 74 gf_iowrite32((rtc_alarm64 >> 32), base + TIMER_ALARM_HIGH);
75 gf_iowrite32(rtc_alarm64, base + TIMER_ALARM_LOW);
76 gf_iowrite32(1, base + TIMER_IRQ_ENABLED);
77 } else {
78 /*
79 * if this function was called with enabled=0
80 * then it could mean that the application is
81 * trying to cancel an ongoing alarm
82 */
83 rtc_status_reg = gf_ioread32(base + TIMER_ALARM_STATUS);
84 if (rtc_status_reg)
85 gf_iowrite32(1, base + TIMER_CLEAR_ALARM);
86 }
87
88 return 0;
89 }
90

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/[email protected]

2022-01-21 22:27:46

by kernel test robot

[permalink] [raw]
Subject: Re: [PATCH v11 3/5] rtc: goldfish: use gf_ioread32()/gf_iowrite32()

Hi Laurent,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on tip/timers/core]
[also build test ERROR on linux/master linus/master v5.16 next-20220120]
[cannot apply to geert-m68k/for-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url: https://github.com/0day-ci/linux/commits/Laurent-Vivier/m68k-Add-Virtual-M68k-Machine/20220120-160832
base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 35e13e9da9afbce13c1d36465504ece4e65f24fe
config: nds32-randconfig-r014-20220120 (https://download.01.org/0day-ci/archive/20220121/[email protected]/config)
compiler: nds32le-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/82ea64fc7cab43e258085769ed1d90b0685bf091
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Laurent-Vivier/m68k-Add-Virtual-M68k-Machine/20220120-160832
git checkout 82ea64fc7cab43e258085769ed1d90b0685bf091
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=nds32 SHELL=/bin/bash drivers/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>

All errors (new ones prefixed by >>):

drivers/rtc/rtc-goldfish.c: In function 'goldfish_rtc_read_alarm':
>> drivers/rtc/rtc-goldfish.c:44:25: error: implicit declaration of function 'gf_ioread32'; did you mean 'ioread32'? [-Werror=implicit-function-declaration]
44 | rtc_alarm_low = gf_ioread32(base + TIMER_ALARM_LOW);
| ^~~~~~~~~~~
| ioread32
drivers/rtc/rtc-goldfish.c: In function 'goldfish_rtc_set_alarm':
>> drivers/rtc/rtc-goldfish.c:74:17: error: implicit declaration of function 'gf_iowrite32'; did you mean 'iowrite32'? [-Werror=implicit-function-declaration]
74 | gf_iowrite32((rtc_alarm64 >> 32), base + TIMER_ALARM_HIGH);
| ^~~~~~~~~~~~
| iowrite32
cc1: some warnings being treated as errors


vim +44 drivers/rtc/rtc-goldfish.c

31
32 static int goldfish_rtc_read_alarm(struct device *dev,
33 struct rtc_wkalrm *alrm)
34 {
35 u64 rtc_alarm;
36 u64 rtc_alarm_low;
37 u64 rtc_alarm_high;
38 void __iomem *base;
39 struct goldfish_rtc *rtcdrv;
40
41 rtcdrv = dev_get_drvdata(dev);
42 base = rtcdrv->base;
43
> 44 rtc_alarm_low = gf_ioread32(base + TIMER_ALARM_LOW);
45 rtc_alarm_high = gf_ioread32(base + TIMER_ALARM_HIGH);
46 rtc_alarm = (rtc_alarm_high << 32) | rtc_alarm_low;
47
48 do_div(rtc_alarm, NSEC_PER_SEC);
49 memset(alrm, 0, sizeof(struct rtc_wkalrm));
50
51 rtc_time64_to_tm(rtc_alarm, &alrm->time);
52
53 if (gf_ioread32(base + TIMER_ALARM_STATUS))
54 alrm->enabled = 1;
55 else
56 alrm->enabled = 0;
57
58 return 0;
59 }
60
61 static int goldfish_rtc_set_alarm(struct device *dev,
62 struct rtc_wkalrm *alrm)
63 {
64 struct goldfish_rtc *rtcdrv;
65 u64 rtc_alarm64;
66 u64 rtc_status_reg;
67 void __iomem *base;
68
69 rtcdrv = dev_get_drvdata(dev);
70 base = rtcdrv->base;
71
72 if (alrm->enabled) {
73 rtc_alarm64 = rtc_tm_to_time64(&alrm->time) * NSEC_PER_SEC;
> 74 gf_iowrite32((rtc_alarm64 >> 32), base + TIMER_ALARM_HIGH);
75 gf_iowrite32(rtc_alarm64, base + TIMER_ALARM_LOW);
76 gf_iowrite32(1, base + TIMER_IRQ_ENABLED);
77 } else {
78 /*
79 * if this function was called with enabled=0
80 * then it could mean that the application is
81 * trying to cancel an ongoing alarm
82 */
83 rtc_status_reg = gf_ioread32(base + TIMER_ALARM_STATUS);
84 if (rtc_status_reg)
85 gf_iowrite32(1, base + TIMER_CLEAR_ALARM);
86 }
87
88 return 0;
89 }
90

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/[email protected]