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| author | Bao D. Nguyen <quic_nguyenb@quicinc.com> | 2023-05-29 15:12:20 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2023-05-31 20:17:07 -0400 |
| commit | a8f9a36e46344ea5bdc301c2fde0389a463bf0a3 (patch) | |
| tree | a4a9b60b8b32f1a29b9974296fc0bc5bf5555d1a /drivers/ufs | |
| parent | ac9a78681b921877518763ba0e89202254349d1b (diff) | |
| download | linux-a8f9a36e46344ea5bdc301c2fde0389a463bf0a3.tar.gz | |
scsi: ufs: core: Combine 32-bit command_desc_base_addr_lo/hi
The UTP command descriptor base address is a 57-bit field in the UTP
transfer request descriptor. Combine the two 32-bit
command_desc_base_addr_lo/hi fields into a 64-bit for better handling of
this field.
Signed-off-by: Bao D. Nguyen <quic_nguyenb@quicinc.com>
Link: https://lore.kernel.org/r/4e6f7f5a15000cdae77c3014b477264f57bf572c.1685396241.git.quic_nguyenb@quicinc.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Tested-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Can Guo <quic_cang@quicinc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/ufs')
| -rw-r--r-- | drivers/ufs/core/ufshcd.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 17d7bb875fee83..682da831f13321 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -3868,10 +3868,8 @@ static void ufshcd_host_memory_configure(struct ufs_hba *hba) /* Configure UTRD with command descriptor base address */ cmd_desc_element_addr = (cmd_desc_dma_addr + (cmd_desc_size * i)); - utrdlp[i].command_desc_base_addr_lo = - cpu_to_le32(lower_32_bits(cmd_desc_element_addr)); - utrdlp[i].command_desc_base_addr_hi = - cpu_to_le32(upper_32_bits(cmd_desc_element_addr)); + utrdlp[i].command_desc_base_addr = + cpu_to_le64(cmd_desc_element_addr); /* Response upiu and prdt offset should be in double words */ if (hba->quirks & UFSHCD_QUIRK_PRDT_BYTE_GRAN) { |