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Searched refs:tx_fifo_avail (Results 1 - 8 of 8) sorted by relevance

/kernel/linux/linux-5.10/drivers/spi/
H A Dspi-fsl-espi.c216 u32 tx_fifo_avail; in fsl_espi_fill_tx_fifo() local
221 tx_fifo_avail = events ? SPIE_TXCNT(events) : FSL_ESPI_FIFO_SIZE; in fsl_espi_fill_tx_fifo()
225 while (tx_fifo_avail >= min(4U, tx_left) && tx_left) { in fsl_espi_fill_tx_fifo()
237 tx_fifo_avail -= 4; in fsl_espi_fill_tx_fifo()
243 tx_fifo_avail -= 2; in fsl_espi_fill_tx_fifo()
252 tx_fifo_avail -= 1; in fsl_espi_fill_tx_fifo()
266 if (tx_fifo_avail) in fsl_espi_fill_tx_fifo()
/kernel/linux/linux-6.6/drivers/spi/
H A Dspi-fsl-espi.c216 u32 tx_fifo_avail; in fsl_espi_fill_tx_fifo() local
221 tx_fifo_avail = events ? SPIE_TXCNT(events) : FSL_ESPI_FIFO_SIZE; in fsl_espi_fill_tx_fifo()
225 while (tx_fifo_avail >= min(4U, tx_left) && tx_left) { in fsl_espi_fill_tx_fifo()
237 tx_fifo_avail -= 4; in fsl_espi_fill_tx_fifo()
243 tx_fifo_avail -= 2; in fsl_espi_fill_tx_fifo()
252 tx_fifo_avail -= 1; in fsl_espi_fill_tx_fifo()
266 if (tx_fifo_avail) in fsl_espi_fill_tx_fifo()
/kernel/linux/linux-5.10/drivers/i2c/busses/
H A Di2c-tegra.c797 unsigned int words_to_transfer, tx_fifo_avail; in tegra_i2c_fill_tx_fifo() local
803 tx_fifo_avail = FIELD_GET(I2C_MST_FIFO_STATUS_TX, val); in tegra_i2c_fill_tx_fifo()
806 tx_fifo_avail = FIELD_GET(I2C_FIFO_STATUS_TX, val); in tegra_i2c_fill_tx_fifo()
819 if (words_to_transfer > tx_fifo_avail) in tegra_i2c_fill_tx_fifo()
820 words_to_transfer = tx_fifo_avail; in tegra_i2c_fill_tx_fifo()
830 tx_fifo_avail -= words_to_transfer; in tegra_i2c_fill_tx_fifo()
848 if (tx_fifo_avail > 0 && buf_remaining > 0) { in tegra_i2c_fill_tx_fifo()
850 * buf_remaining > 3 check not needed as tx_fifo_avail == 0 in tegra_i2c_fill_tx_fifo()
851 * when (words_to_transfer was > tx_fifo_avail) earlier in tegra_i2c_fill_tx_fifo()
H A Di2c-altera.c210 size_t tx_fifo_avail = idev->fifo_size - readl(idev->base + in altr_i2c_fill_tx_fifo() local
212 int bytes_to_transfer = min(tx_fifo_avail, idev->msg_len); in altr_i2c_fill_tx_fifo()
H A Di2c-axxia.c305 size_t tx_fifo_avail = FIFO_SIZE - readl(idev->base + MST_TX_FIFO); in axxia_i2c_fill_tx_fifo() local
306 int bytes_to_transfer = min(tx_fifo_avail, msg->len - idev->msg_xfrd); in axxia_i2c_fill_tx_fifo()
/kernel/linux/linux-6.6/drivers/i2c/busses/
H A Di2c-tegra.c798 unsigned int words_to_transfer, tx_fifo_avail; in tegra_i2c_fill_tx_fifo() local
804 tx_fifo_avail = FIELD_GET(I2C_MST_FIFO_STATUS_TX, val); in tegra_i2c_fill_tx_fifo()
807 tx_fifo_avail = FIELD_GET(I2C_FIFO_STATUS_TX, val); in tegra_i2c_fill_tx_fifo()
820 if (words_to_transfer > tx_fifo_avail) in tegra_i2c_fill_tx_fifo()
821 words_to_transfer = tx_fifo_avail; in tegra_i2c_fill_tx_fifo()
831 tx_fifo_avail -= words_to_transfer; in tegra_i2c_fill_tx_fifo()
849 if (tx_fifo_avail > 0 && buf_remaining > 0) { in tegra_i2c_fill_tx_fifo()
851 * buf_remaining > 3 check not needed as tx_fifo_avail == 0 in tegra_i2c_fill_tx_fifo()
852 * when (words_to_transfer was > tx_fifo_avail) earlier in tegra_i2c_fill_tx_fifo()
H A Di2c-altera.c209 size_t tx_fifo_avail = idev->fifo_size - readl(idev->base + in altr_i2c_fill_tx_fifo() local
211 int bytes_to_transfer = min(tx_fifo_avail, idev->msg_len); in altr_i2c_fill_tx_fifo()
H A Di2c-axxia.c305 size_t tx_fifo_avail = FIFO_SIZE - readl(idev->base + MST_TX_FIFO); in axxia_i2c_fill_tx_fifo() local
306 int bytes_to_transfer = min(tx_fifo_avail, msg->len - idev->msg_xfrd); in axxia_i2c_fill_tx_fifo()

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