Commit Graph

10 Commits

Author SHA1 Message Date
Chunyan Zhang
8266b80926 hwspinlock: sprd: fixed warning of unused variable 'sprd_hwspinlock_of_match'
The macro function of_match_ptr() is NULL if CONFIG_OF is not set, in this
case Clang compiler would complain the of_device_id variable is unused.

Reviewed-by: Baolin Wang <baolin.wang7@gmail.com>
Reported-by: kernel test robot <lkp@intel.com>
Fixes: d8c8bbbb1a ("hwspinlock: sprd: Add hardware spinlock driver")
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Link: https://lore.kernel.org/r/20201112070410.14810-1-zhang.lyra@gmail.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-11-17 21:42:13 -06:00
Chunyan Zhang
8308678ebd hwspinlock: sprd: use module_platform_driver() instead postcore initcall
The hardware spinlock devices are defined in the DT, there's no need for
init calls order, remove boilerplate code by using module_platform_driver.

Reviewed-by: Baolin Wang <baolin.wang7@gmail.com>
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Link: https://lore.kernel.org/r/20201030034654.15775-3-zhang.lyra@gmail.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-11-02 18:04:06 -06:00
Baolin Wang
3116a9931f hwspinlock: sprd: Remove redundant header files
Remove redundant header files.

Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Link: https://lore.kernel.org/r/1590991552-93643-1-git-send-email-baolin.wang@linux.alibaba.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-10-26 10:17:54 -05:00
Baolin Wang
4d0c1c5732 hwspinlock: sprd: Remove redundant PM runtime implementation
Since the hwspinlock core has changed the PM runtime to be optional, thus
remove the redundant PM runtime implementation in the Spreadtrum hwlock
driver.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2019-11-08 16:42:11 -08:00
Baolin Wang
b674a30bf8 hwspinlock: sprd: Use devm_hwspin_lock_register() to register hwlock controller
Use devm_hwspin_lock_register() to register the hwlock controller instead of
unregistering the hwlock controller explicitly when removing the device.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2019-10-04 21:10:26 -07:00
Baolin Wang
b4d64193d4 hwspinlock: sprd: Use devm_add_action_or_reset() for calls to clk_disable_unprepare()
Use devm_add_action_or_reset() for calls to clk_disable_unprepare(),
which can simplify the error handling.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2019-10-04 21:09:52 -07:00
Baolin Wang
3070c41643 hwspinlock: sprd: Check the return value of clk_prepare_enable()
We must check the return value of clk_prepare_enable() to make sure the
hardware spinlock controller can be enabled successfully, otherwise we
should return error.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2019-10-04 21:07:44 -07:00
Baolin Wang
74cfa956cb hwspinlock: sprd: Change to use devm_platform_ioremap_resource()
Use the new helper that wraps the calls to platform_get_resource()
and devm_ioremap_resource() together, which can simpify the code.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2019-10-04 21:07:19 -07:00
Suman Anna
0c3e890b1e hwspinlock: sprd: Switch to SPDX license identifier
Use the appropriate SPDX license identifiers in the Spreadtrum hardware
spinlock driver source file and drop the previous boilerplate license text.

Cc: Baolin Wang <baolin.wang@spreadtrum.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2018-05-24 12:04:48 -07:00
Baolin Wang
d8c8bbbb1a hwspinlock: sprd: Add hardware spinlock driver
The Spreadtrum hardware spinlock device can provide hardware assistance
for synchronization between the multiple subsystems.

Signed-off-by: Baolin Wang <baolin.wang@spreadtrum.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2017-05-17 10:52:52 -07:00