Instead of saving index and do an additional level of referencing, save just a pointer to the semaphore callbacks directly. It makes code cleaner. Acked-by: Jarkko Nikula <jarkko.nikula@xxxxxxxxxxxxxxx> Reviewed-by: Andi Shyti <andi.shyti@xxxxxxxxxx> Tested-by: Serge Semin <fancer.lancer@xxxxxxxxx> Link: https://lore.kernel.org/r/20231120144641.1660574-7-andriy.shevchenko@xxxxxxxxxxxxxxx Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> --- drivers/i2c/busses/i2c-designware-core.h | 4 +++- drivers/i2c/busses/i2c-designware-platdrv.c | 12 ++++-------- 2 files changed, 7 insertions(+), 9 deletions(-) diff --git a/drivers/i2c/busses/i2c-designware-core.h b/drivers/i2c/busses/i2c-designware-core.h index a7f6f3eafad7..f8dd87cb0ae9 100644 --- a/drivers/i2c/busses/i2c-designware-core.h +++ b/drivers/i2c/busses/i2c-designware-core.h @@ -187,6 +187,8 @@ struct clk; struct device; struct reset_control; +struct i2c_dw_semaphore_callbacks; + /** * struct dw_i2c_dev - private i2c-designware data * @dev: driver model device node @@ -291,7 +293,7 @@ struct dw_i2c_dev { u16 hs_lcnt; int (*acquire_lock)(void); void (*release_lock)(void); - int semaphore_idx; + const struct i2c_dw_semaphore_callbacks *semaphore_cb; bool shared_with_punit; void (*disable)(struct dw_i2c_dev *dev); int (*init)(struct dw_i2c_dev *dev); diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index cb954f11540e..4b5e58e1ce5b 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -247,21 +247,18 @@ static void i2c_dw_remove_lock_support(void *data) { struct dw_i2c_dev *dev = data; - if (dev->semaphore_idx < 0) + if (!dev->semaphore_cb) return; - if (i2c_dw_semaphore_cb_table[dev->semaphore_idx].remove) - i2c_dw_semaphore_cb_table[dev->semaphore_idx].remove(dev); + if (dev->semaphore_cb->remove) + dev->semaphore_cb->remove(dev); } static int i2c_dw_probe_lock_support(struct dw_i2c_dev *dev) { const struct i2c_dw_semaphore_callbacks *ptr; - int i = 0; int ret; - dev->semaphore_idx = -1; - for (ptr = i2c_dw_semaphore_cb_table; ptr->probe; ptr++) { ret = ptr->probe(dev); if (ret) { @@ -273,11 +270,10 @@ static int i2c_dw_probe_lock_support(struct dw_i2c_dev *dev) if (ret != -ENODEV) return ret; - i++; continue; } - dev->semaphore_idx = i; + dev->semaphore_cb = ptr; break; } -- 2.43.0.rc1.1.gbec44491f096