Searched refs:sram_period (Results 1 – 2 of 2) sorted by relevance
| /linux/Documentation/arch/arm/stm32/ |
| H A D | stm32-dma-mdma-chaining.rst | 228 * Assuming sram_dma_buf and sram_period, respectively the memory
240 if (sg_dma_len(s) > sram_period)
241 new_nents += DIV_ROUND_UP(sg_dma_len(s), sram_period);
252 sg_dma_len(s) = min(sg_dma_len(_sgl), sram_period);
260 s->dma_address += sram_period;
272 size_t bytes = min_t(size_t, len, sram_period);
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| /linux/drivers/spi/ |
| H A D | spi-stm32.c | 1535 u32 sram_period, nents = 0, spi_s_len; in stm32_spi_prepare_rx_dma_mdma_chaining() local
1541 sram_period = spi->sram_rx_buf_size / 2; in stm32_spi_prepare_rx_dma_mdma_chaining()
1552 if (sg_dma_len(spi_s) > sram_period) in stm32_spi_prepare_rx_dma_mdma_chaining()
1553 nents += DIV_ROUND_UP(sg_dma_len(spi_s), sram_period); in stm32_spi_prepare_rx_dma_mdma_chaining()
1566 size_t bytes = min_t(size_t, spi_s_len, sram_period); in stm32_spi_prepare_rx_dma_mdma_chaining()
1578 dma_buf += sram_period; in stm32_spi_prepare_rx_dma_mdma_chaining()
1603 size_t bytes = min_t(size_t, spi_s_len, sram_period); in stm32_spi_prepare_rx_dma_mdma_chaining()
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