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| author | Jani Nikula <jani.nikula@intel.com> | 2021-07-01 17:46:34 +0200 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2021-07-01 17:46:34 +0200 |
| commit | e42c6c1bc8d5e70d7b2c8af534b0d33a2be48f0c (patch) | |
| tree | 4b1109adc051c943ef3edd990f5a907a0836bdf8 /drivers/thunderbolt/dma_port.c | |
| parent | drm/i915/display: Fix state mismatch in drm infoframe (diff) | |
| parent | Merge tag 'drm-intel-next-fixes-2021-06-29' of git://anongit.freedesktop.org/... (diff) | |
| download | linux-e42c6c1bc8d5e70d7b2c8af534b0d33a2be48f0c.tar.xz linux-e42c6c1bc8d5e70d7b2c8af534b0d33a2be48f0c.zip | |
Merge drm/drm-next into drm-intel-next
Bring drm-intel-next closer to drm-next and drm-intel-gt-next for a more
feasible baseline for topic branches.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/thunderbolt/dma_port.c')
| -rw-r--r-- | drivers/thunderbolt/dma_port.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/thunderbolt/dma_port.c b/drivers/thunderbolt/dma_port.c index 7288aaf01ae6..5631319f7b20 100644 --- a/drivers/thunderbolt/dma_port.c +++ b/drivers/thunderbolt/dma_port.c @@ -366,15 +366,15 @@ int dma_port_flash_read(struct tb_dma_port *dma, unsigned int address, void *buf, size_t size) { unsigned int retries = DMA_PORT_RETRIES; - unsigned int offset; - - offset = address & 3; - address = address & ~3; do { - u32 nbytes = min_t(u32, size, MAIL_DATA_DWORDS * 4); + unsigned int offset; + size_t nbytes; int ret; + offset = address & 3; + nbytes = min_t(size_t, size + offset, MAIL_DATA_DWORDS * 4); + ret = dma_port_flash_read_block(dma, address, dma->buf, ALIGN(nbytes, 4)); if (ret) { @@ -386,6 +386,7 @@ int dma_port_flash_read(struct tb_dma_port *dma, unsigned int address, return ret; } + nbytes -= offset; memcpy(buf, dma->buf + offset, nbytes); size -= nbytes; |