summaryrefslogtreecommitdiff
path: root/drivers/i2c/busses/i2c-designware-master.c
diff options
context:
space:
mode:
authorJarkko Nikula <jarkko.nikula@linux.intel.com>2022-11-07 16:42:46 +0300
committerWolfram Sang <wsa@kernel.org>2022-11-12 09:38:11 +0300
commitfee61247b7f67a628bb24314b1a3a20d1f1c60f0 (patch)
treeb3667252f9bedcbade08d0644deceeb14844b51c /drivers/i2c/busses/i2c-designware-master.c
parenta92c3388b4ce34ee83f8ea398c1e00676a3dc467 (diff)
downloadlinux-fee61247b7f67a628bb24314b1a3a20d1f1c60f0.tar.xz
i2c: designware: Remove common i2c_dw_disable_int()
Commit 90312351fd1e ("i2c: designware: MASTER mode as separated driver") introduced disable_int pointer but there is no real use for it. Both i2c-designware-master.c and i2c-designware-slave.c set it to the same i2c_dw_disable_int() and scope is inside the same kernel module. Since i2c_dw_disable_int() is just masking interrupts and the direct DW_IC_INTR_MASK register write looks more clear in the code use that and remove it from common code. Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'drivers/i2c/busses/i2c-designware-master.c')
-rw-r--r--drivers/i2c/busses/i2c-designware-master.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/i2c/busses/i2c-designware-master.c b/drivers/i2c/busses/i2c-designware-master.c
index dfb499e54c05..45f569155bfe 100644
--- a/drivers/i2c/busses/i2c-designware-master.c
+++ b/drivers/i2c/busses/i2c-designware-master.c
@@ -239,7 +239,7 @@ static void i2c_dw_xfer_init(struct dw_i2c_dev *dev)
msgs[dev->msg_write_idx].addr | ic_tar);
/* Enforce disabled interrupts (due to HW issues) */
- i2c_dw_disable_int(dev);
+ regmap_write(dev->map, DW_IC_INTR_MASK, 0);
/* Enable the adapter */
__i2c_dw_enable(dev);
@@ -299,7 +299,7 @@ static int amd_i2c_dw_xfer_quirk(struct i2c_adapter *adap, struct i2c_msg *msgs,
dev->msgs = msgs;
dev->msgs_num = num_msgs;
i2c_dw_xfer_init(dev);
- i2c_dw_disable_int(dev);
+ regmap_write(dev->map, DW_IC_INTR_MASK, 0);
/* Initiate messages read/write transaction */
for (msg_wrt_idx = 0; msg_wrt_idx < num_msgs; msg_wrt_idx++) {
@@ -770,7 +770,7 @@ tx_aborted:
else if (unlikely(dev->flags & ACCESS_INTR_MASK)) {
/* Workaround to trigger pending interrupt */
regmap_read(dev->map, DW_IC_INTR_MASK, &stat);
- i2c_dw_disable_int(dev);
+ regmap_write(dev->map, DW_IC_INTR_MASK, 0);
regmap_write(dev->map, DW_IC_INTR_MASK, stat);
}
@@ -871,7 +871,6 @@ int i2c_dw_probe_master(struct dw_i2c_dev *dev)
dev->init = i2c_dw_init_master;
dev->disable = i2c_dw_disable;
- dev->disable_int = i2c_dw_disable_int;
ret = i2c_dw_init_regmap(dev);
if (ret)
@@ -910,7 +909,7 @@ int i2c_dw_probe_master(struct dw_i2c_dev *dev)
if (ret)
return ret;
- i2c_dw_disable_int(dev);
+ regmap_write(dev->map, DW_IC_INTR_MASK, 0);
i2c_dw_release_lock(dev);
ret = devm_request_irq(dev->dev, dev->irq, i2c_dw_isr, irq_flags,