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| author | Jarkko Nikula <jarkko.nikula@linux.intel.com> | 2024-06-28 16:15:57 +0300 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2024-07-26 14:21:29 +0200 |
| commit | 2df1de813a5ccbc89c7c831365e9e2c479aea0c3 (patch) | |
| tree | b7c579ab3e230e3378c0216d1c949a486d9b5dc1 /drivers/i3c | |
| parent | 74e931f090a1d1a71d460284e87bd668667b98db (diff) | |
| download | linux-stable-2df1de813a5ccbc89c7c831365e9e2c479aea0c3.tar.gz linux-stable-2df1de813a5ccbc89c7c831365e9e2c479aea0c3.tar.bz2 linux-stable-2df1de813a5ccbc89c7c831365e9e2c479aea0c3.zip | |
i3c: mipi-i3c-hci: Set IBI Status and Data Ring base addresses
IBI Status and Data Ring base address registers are not set so HW
obviously cannot update those rings after In-Band Interrupt.
Set them to already allocated and mapped ring addresses.
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Link: https://lore.kernel.org/r/20240628131559.502822-2-jarkko.nikula@linux.intel.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/i3c')
| -rw-r--r-- | drivers/i3c/master/mipi-i3c-hci/dma.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/i3c/master/mipi-i3c-hci/dma.c b/drivers/i3c/master/mipi-i3c-hci/dma.c index 6c5964e727b3..7a56ae4a5ddf 100644 --- a/drivers/i3c/master/mipi-i3c-hci/dma.c +++ b/drivers/i3c/master/mipi-i3c-hci/dma.c @@ -300,6 +300,11 @@ static int hci_dma_init(struct i3c_hci *hci) goto err_out; } + rh_reg_write(IBI_STATUS_RING_BASE_LO, lower_32_bits(rh->ibi_status_dma)); + rh_reg_write(IBI_STATUS_RING_BASE_HI, upper_32_bits(rh->ibi_status_dma)); + rh_reg_write(IBI_DATA_RING_BASE_LO, lower_32_bits(rh->ibi_data_dma)); + rh_reg_write(IBI_DATA_RING_BASE_HI, upper_32_bits(rh->ibi_data_dma)); + regval = FIELD_PREP(IBI_STATUS_RING_SIZE, rh->ibi_status_entries) | FIELD_PREP(IBI_DATA_CHUNK_SIZE, |