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author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-03-01 01:05:01 +0100 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-03-01 01:05:01 +0100 |
commit | 1899946aaf2566c577683ebe510a83c930cd3751 (patch) | |
tree | 910bd1db87dc8ea1e7e29f04d1d7c4083d5996a2 /drivers/i3c | |
parent | Merge tag 'docs-6.3-2' of git://git.lwn.net/linux (diff) | |
parent | i3c: master: dw: stop hardcoding initial speed (diff) | |
download | linux-1899946aaf2566c577683ebe510a83c930cd3751.tar.xz linux-1899946aaf2566c577683ebe510a83c930cd3751.zip |
Merge tag 'i3c/for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
Pull i3c updates from Alexandre Belloni:
"Subsystem:
- transfer pid from boardinfo to device info
Drivers:
- dw-i3c-master: stop hardcoding initial speed"
* tag 'i3c/for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
i3c: master: dw: stop hardcoding initial speed
i3c: transfer pid from boardinfo to device info
Diffstat (limited to 'drivers/i3c')
-rw-r--r-- | drivers/i3c/master.c | 1 | ||||
-rw-r--r-- | drivers/i3c/master/dw-i3c-master.c | 5 |
2 files changed, 4 insertions, 2 deletions
diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c index 7a60e1c5e587..54e4c34b4a22 100644 --- a/drivers/i3c/master.c +++ b/drivers/i3c/master.c @@ -1438,6 +1438,7 @@ static int i3c_master_early_i3c_dev_add(struct i3c_master_controller *master, { struct i3c_device_info info = { .static_addr = boardinfo->static_addr, + .pid = boardinfo->pid, }; struct i3c_dev_desc *i3cdev; int ret; diff --git a/drivers/i3c/master/dw-i3c-master.c b/drivers/i3c/master/dw-i3c-master.c index 51a8608203de..48954d3e6571 100644 --- a/drivers/i3c/master/dw-i3c-master.c +++ b/drivers/i3c/master/dw-i3c-master.c @@ -531,7 +531,7 @@ static int dw_i3c_clk_cfg(struct dw_i3c_master *master) if (hcnt < SCL_I3C_TIMING_CNT_MIN) hcnt = SCL_I3C_TIMING_CNT_MIN; - lcnt = DIV_ROUND_UP(core_rate, I3C_BUS_TYP_I3C_SCL_RATE) - hcnt; + lcnt = DIV_ROUND_UP(core_rate, master->base.bus.scl_rate.i3c) - hcnt; if (lcnt < SCL_I3C_TIMING_CNT_MIN) lcnt = SCL_I3C_TIMING_CNT_MIN; @@ -541,7 +541,8 @@ static int dw_i3c_clk_cfg(struct dw_i3c_master *master) if (!(readl(master->regs + DEVICE_CTRL) & DEV_CTRL_I2C_SLAVE_PRESENT)) writel(BUS_I3C_MST_FREE(lcnt), master->regs + BUS_FREE_TIMING); - lcnt = DIV_ROUND_UP(I3C_BUS_TLOW_OD_MIN_NS, core_period); + lcnt = max_t(u8, + DIV_ROUND_UP(I3C_BUS_TLOW_OD_MIN_NS, core_period), lcnt); scl_timing = SCL_I3C_TIMING_HCNT(hcnt) | SCL_I3C_TIMING_LCNT(lcnt); writel(scl_timing, master->regs + SCL_I3C_OD_TIMING); |