| Message ID | 20240531194723.1761567-2-andriy.shevchenko@linux.intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | spi: Rework DMA mapped flag | expand |
On 31/05/2024 20:42, Andy Shevchenko wrote: > There are few drivers that use the same pattern to check if the transfer > is DMA mapped or not. Provide a helper. > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> > --- > drivers/spi/internals.h | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/drivers/spi/internals.h b/drivers/spi/internals.h > index 4a28a8395552..47a87c2a6979 100644 > --- a/drivers/spi/internals.h > +++ b/drivers/spi/internals.h > @@ -40,4 +40,12 @@ static inline void spi_unmap_buf(struct spi_controller *ctlr, > } > #endif /* CONFIG_HAS_DMA */ > > +static inline bool spi_xfer_is_dma_mapped(struct spi_controller *ctlr, > + struct spi_device *spi, > + struct spi_transfer *xfer) > +{ > + return ctlr->can_dma && ctlr->can_dma(ctlr, spi, xfer) && > + ctlr->cur_msg_mapped; > +} > + > #endif /* __LINUX_SPI_INTERNALS_H */ Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
diff --git a/drivers/spi/internals.h b/drivers/spi/internals.h index 4a28a8395552..47a87c2a6979 100644 --- a/drivers/spi/internals.h +++ b/drivers/spi/internals.h @@ -40,4 +40,12 @@ static inline void spi_unmap_buf(struct spi_controller *ctlr, } #endif /* CONFIG_HAS_DMA */ +static inline bool spi_xfer_is_dma_mapped(struct spi_controller *ctlr, + struct spi_device *spi, + struct spi_transfer *xfer) +{ + return ctlr->can_dma && ctlr->can_dma(ctlr, spi, xfer) && + ctlr->cur_msg_mapped; +} + #endif /* __LINUX_SPI_INTERNALS_H */
There are few drivers that use the same pattern to check if the transfer is DMA mapped or not. Provide a helper. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- drivers/spi/internals.h | 8 ++++++++ 1 file changed, 8 insertions(+)