| Message ID | 20180426161820.2852-8-boris.brezillon@bootlin.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 26.04.2018 18:18, Boris Brezillon wrote: > This API has been replaced by the spi_mem_xx() one, its only user > (spi-nor) has been converted to spi_mem_xx() and all SPI controller > drivers that were implementing the ->spi_flash_xxx() hooks are also > implementing the spi_mem ones. So we can safely get rid of this API. > > Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com> Reviewed-by: Frieder Schrempf <frieder.schrempf@exceet.de> Tested-by: Frieder Schrempf <frieder.schrempf@exceet.de> Regards, Frieder > --- > Changes in v4: > - none > > Changes in v3: > - none > > Changes in v2: > - none > --- > drivers/spi/spi-bcm-qspi.c | 34 +++------------------------ > drivers/spi/spi-bcm53xx.c | 20 +--------------- > drivers/spi/spi-ti-qspi.c | 41 --------------------------------- > drivers/spi/spi.c | 57 ---------------------------------------------- > include/linux/spi/spi.h | 53 ------------------------------------------ > 5 files changed, 4 insertions(+), 201 deletions(-) > > diff --git a/drivers/spi/spi-bcm-qspi.c b/drivers/spi/spi-bcm-qspi.c > index 9f94268a68b5..57ceec6c6301 100644 > --- a/drivers/spi/spi-bcm-qspi.c > +++ b/drivers/spi/spi-bcm-qspi.c > @@ -944,9 +944,10 @@ static int bcm_qspi_mspi_exec_mem_op(struct spi_device *spi, > return ret; > } > > -static int bcm_qspi_exec_mem_op(struct spi_device *spi, > +static int bcm_qspi_exec_mem_op(struct spi_mem *mem, > const struct spi_mem_op *op) > { > + struct spi_device *spi = mem->spi; > struct bcm_qspi *qspi = spi_master_get_devdata(spi->master); > int ret = 0; > bool mspi_read = false; > @@ -991,34 +992,6 @@ static int bcm_qspi_exec_mem_op(struct spi_device *spi, > return ret; > } > > -static int bcm_qspi_exec_mem_op_wrapper(struct spi_mem *mem, > - const struct spi_mem_op *op) > -{ > - return bcm_qspi_exec_mem_op(mem->spi, op); > -} > - > -static int bcm_qspi_flash_read_wrapper(struct spi_device *spi, > - struct spi_flash_read_message *msg) > -{ > - int ret; > - struct spi_mem_op op = SPI_MEM_OP(SPI_MEM_OP_CMD(msg->read_opcode, 1), > - SPI_MEM_OP_ADDR(msg->addr_width, > - msg->from, > - msg->addr_nbits), > - SPI_MEM_OP_DUMMY(msg->dummy_bytes, > - msg->addr_nbits), > - SPI_MEM_OP_DATA_IN(msg->len, > - msg->buf, > - msg->data_nbits)); > - > - msg->retlen = 0; > - ret = bcm_qspi_exec_mem_op(spi, &op); > - if (!ret) > - msg->retlen = msg->len; > - > - return ret; > -} > - > static void bcm_qspi_cleanup(struct spi_device *spi) > { > struct bcm_qspi_parms *xp = spi_get_ctldata(spi); > @@ -1214,7 +1187,7 @@ static void bcm_qspi_hw_uninit(struct bcm_qspi *qspi) > } > > static const struct spi_controller_mem_ops bcm_qspi_mem_ops = { > - .exec_op = bcm_qspi_exec_mem_op_wrapper, > + .exec_op = bcm_qspi_exec_mem_op, > }; > > static const struct of_device_id bcm_qspi_of_match[] = { > @@ -1259,7 +1232,6 @@ int bcm_qspi_probe(struct platform_device *pdev, > master->mode_bits = SPI_CPHA | SPI_CPOL | SPI_RX_DUAL | SPI_RX_QUAD; > master->setup = bcm_qspi_setup; > master->transfer_one = bcm_qspi_transfer_one; > - master->spi_flash_read = bcm_qspi_flash_read_wrapper; > master->mem_ops = &bcm_qspi_mem_ops; > master->cleanup = bcm_qspi_cleanup; > master->dev.of_node = dev->of_node; > diff --git a/drivers/spi/spi-bcm53xx.c b/drivers/spi/spi-bcm53xx.c > index 5044e4e4a263..890b58e8645f 100644 > --- a/drivers/spi/spi-bcm53xx.c > +++ b/drivers/spi/spi-bcm53xx.c > @@ -290,22 +290,6 @@ static const struct spi_controller_mem_ops bcm53xxspi_mem_ops = { > .exec_op = bcm53xxspi_exec_mem_op, > }; > > -static int bcm53xxspi_flash_read(struct spi_device *spi, > - struct spi_flash_read_message *msg) > -{ > - struct bcm53xxspi *b53spi = spi_master_get_devdata(spi->master); > - int ret = 0; > - > - if (msg->from + msg->len > BCM53XXSPI_FLASH_WINDOW) > - return -EINVAL; > - > - bcm53xxspi_enable_bspi(b53spi); > - memcpy_fromio(msg->buf, b53spi->mmio_base + msg->from, msg->len); > - msg->retlen = msg->len; > - > - return ret; > -} > - > /************************************************** > * BCMA > **************************************************/ > @@ -344,10 +328,8 @@ static int bcm53xxspi_bcma_probe(struct bcma_device *core) > > master->dev.of_node = dev->of_node; > master->transfer_one = bcm53xxspi_transfer_one; > - if (b53spi->mmio_base) { > + if (b53spi->mmio_base) > master->mem_ops = &bcm53xxspi_mem_ops; > - master->spi_flash_read = bcm53xxspi_flash_read; > - } > > bcma_set_drvdata(core, b53spi); > > diff --git a/drivers/spi/spi-ti-qspi.c b/drivers/spi/spi-ti-qspi.c > index 1b12c2ff8be3..c54b760e00ed 100644 > --- a/drivers/spi/spi-ti-qspi.c > +++ b/drivers/spi/spi-ti-qspi.c > @@ -531,44 +531,6 @@ static void ti_qspi_setup_mmap_read(struct spi_device *spi, u8 opcode, > QSPI_SPI_SETUP_REG(spi->chip_select)); > } > > -static bool ti_qspi_spi_flash_can_dma(struct spi_device *spi, > - struct spi_flash_read_message *msg) > -{ > - return virt_addr_valid(msg->buf); > -} > - > -static int ti_qspi_spi_flash_read(struct spi_device *spi, > - struct spi_flash_read_message *msg) > -{ > - struct ti_qspi *qspi = spi_master_get_devdata(spi->master); > - int ret = 0; > - > - mutex_lock(&qspi->list_lock); > - > - if (!qspi->mmap_enabled) > - ti_qspi_enable_memory_map(spi); > - ti_qspi_setup_mmap_read(spi, msg->read_opcode, msg->data_nbits, > - msg->addr_width, msg->dummy_bytes); > - > - if (qspi->rx_chan) { > - if (msg->cur_msg_mapped) > - ret = ti_qspi_dma_xfer_sg(qspi, msg->rx_sg, msg->from); > - else > - ret = ti_qspi_dma_bounce_buffer(qspi, msg->from, > - msg->buf, msg->len); > - if (ret) > - goto err_unlock; > - } else { > - memcpy_fromio(msg->buf, qspi->mmap_base + msg->from, msg->len); > - } > - msg->retlen = msg->len; > - > -err_unlock: > - mutex_unlock(&qspi->list_lock); > - > - return ret; > -} > - > static int ti_qspi_exec_mem_op(struct spi_mem *mem, > const struct spi_mem_op *op) > { > @@ -727,7 +689,6 @@ static int ti_qspi_probe(struct platform_device *pdev) > master->dev.of_node = pdev->dev.of_node; > master->bits_per_word_mask = SPI_BPW_MASK(32) | SPI_BPW_MASK(16) | > SPI_BPW_MASK(8); > - master->spi_flash_read = ti_qspi_spi_flash_read; > master->mem_ops = &ti_qspi_mem_ops; > > if (!of_property_read_u32(np, "num-cs", &num_cs)) > @@ -827,7 +788,6 @@ static int ti_qspi_probe(struct platform_device *pdev) > dma_release_channel(qspi->rx_chan); > goto no_dma; > } > - master->spi_flash_can_dma = ti_qspi_spi_flash_can_dma; > master->dma_rx = qspi->rx_chan; > init_completion(&qspi->transfer_complete); > if (res_mmap) > @@ -841,7 +801,6 @@ static int ti_qspi_probe(struct platform_device *pdev) > "mmap failed with error %ld using PIO mode\n", > PTR_ERR(qspi->mmap_base)); > qspi->mmap_base = NULL; > - master->spi_flash_read = NULL; > master->mem_ops = NULL; > } > } > diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c > index c85b0cf7b4a9..8ee1ba13eb23 100644 > --- a/drivers/spi/spi.c > +++ b/drivers/spi/spi.c > @@ -3055,63 +3055,6 @@ int spi_async_locked(struct spi_device *spi, struct spi_message *message) > } > EXPORT_SYMBOL_GPL(spi_async_locked); > > - > -int spi_flash_read(struct spi_device *spi, > - struct spi_flash_read_message *msg) > - > -{ > - struct spi_controller *master = spi->controller; > - struct device *rx_dev = NULL; > - int ret; > - > - if ((msg->opcode_nbits == SPI_NBITS_DUAL || > - msg->addr_nbits == SPI_NBITS_DUAL) && > - !(spi->mode & (SPI_TX_DUAL | SPI_TX_QUAD))) > - return -EINVAL; > - if ((msg->opcode_nbits == SPI_NBITS_QUAD || > - msg->addr_nbits == SPI_NBITS_QUAD) && > - !(spi->mode & SPI_TX_QUAD)) > - return -EINVAL; > - if (msg->data_nbits == SPI_NBITS_DUAL && > - !(spi->mode & (SPI_RX_DUAL | SPI_RX_QUAD))) > - return -EINVAL; > - if (msg->data_nbits == SPI_NBITS_QUAD && > - !(spi->mode & SPI_RX_QUAD)) > - return -EINVAL; > - > - if (master->auto_runtime_pm) { > - ret = pm_runtime_get_sync(master->dev.parent); > - if (ret < 0) { > - dev_err(&master->dev, "Failed to power device: %d\n", > - ret); > - return ret; > - } > - } > - > - mutex_lock(&master->bus_lock_mutex); > - mutex_lock(&master->io_mutex); > - if (master->dma_rx && master->spi_flash_can_dma(spi, msg)) { > - rx_dev = master->dma_rx->device->dev; > - ret = spi_map_buf(master, rx_dev, &msg->rx_sg, > - msg->buf, msg->len, > - DMA_FROM_DEVICE); > - if (!ret) > - msg->cur_msg_mapped = true; > - } > - ret = master->spi_flash_read(spi, msg); > - if (msg->cur_msg_mapped) > - spi_unmap_buf(master, rx_dev, &msg->rx_sg, > - DMA_FROM_DEVICE); > - mutex_unlock(&master->io_mutex); > - mutex_unlock(&master->bus_lock_mutex); > - > - if (master->auto_runtime_pm) > - pm_runtime_put(master->dev.parent); > - > - return ret; > -} > -EXPORT_SYMBOL_GPL(spi_flash_read); > - > /*-------------------------------------------------------------------------*/ > > /* Utility methods for SPI protocol drivers, layered on > diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h > index a7e0bbed738c..a64235e05321 100644 > --- a/include/linux/spi/spi.h > +++ b/include/linux/spi/spi.h > @@ -26,7 +26,6 @@ struct dma_chan; > struct property_entry; > struct spi_controller; > struct spi_transfer; > -struct spi_flash_read_message; > struct spi_controller_mem_ops; > > /* > @@ -382,11 +381,6 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) > * controller has native support for memory like operations. > * @unprepare_message: undo any work done by prepare_message(). > * @slave_abort: abort the ongoing transfer request on an SPI slave controller > - * @spi_flash_read: to support spi-controller hardwares that provide > - * accelerated interface to read from flash devices. > - * @spi_flash_can_dma: analogous to can_dma() interface, but for > - * controllers implementing spi_flash_read. > - * @flash_read_supported: spi device supports flash read > * @cs_gpios: Array of GPIOs to use as chip select lines; one per CS > * number. Any individual value may be -ENOENT for CS lines that > * are not GPIOs (driven by the SPI controller itself). > @@ -552,11 +546,6 @@ struct spi_controller { > int (*unprepare_message)(struct spi_controller *ctlr, > struct spi_message *message); > int (*slave_abort)(struct spi_controller *ctlr); > - int (*spi_flash_read)(struct spi_device *spi, > - struct spi_flash_read_message *msg); > - bool (*spi_flash_can_dma)(struct spi_device *spi, > - struct spi_flash_read_message *msg); > - bool (*flash_read_supported)(struct spi_device *spi); > > /* > * These hooks are for drivers that use a generic implementation > @@ -1190,48 +1179,6 @@ static inline ssize_t spi_w8r16be(struct spi_device *spi, u8 cmd) > return be16_to_cpu(result); > } > > -/** > - * struct spi_flash_read_message - flash specific information for > - * spi-masters that provide accelerated flash read interfaces > - * @buf: buffer to read data > - * @from: offset within the flash from where data is to be read > - * @len: length of data to be read > - * @retlen: actual length of data read > - * @read_opcode: read_opcode to be used to communicate with flash > - * @addr_width: number of address bytes > - * @dummy_bytes: number of dummy bytes > - * @opcode_nbits: number of lines to send opcode > - * @addr_nbits: number of lines to send address > - * @data_nbits: number of lines for data > - * @rx_sg: Scatterlist for receive data read from flash > - * @cur_msg_mapped: message has been mapped for DMA > - */ > -struct spi_flash_read_message { > - void *buf; > - loff_t from; > - size_t len; > - size_t retlen; > - u8 read_opcode; > - u8 addr_width; > - u8 dummy_bytes; > - u8 opcode_nbits; > - u8 addr_nbits; > - u8 data_nbits; > - struct sg_table rx_sg; > - bool cur_msg_mapped; > -}; > - > -/* SPI core interface for flash read support */ > -static inline bool spi_flash_read_supported(struct spi_device *spi) > -{ > - return spi->controller->spi_flash_read && > - (!spi->controller->flash_read_supported || > - spi->controller->flash_read_supported(spi)); > -} > - > -int spi_flash_read(struct spi_device *spi, > - struct spi_flash_read_message *msg); > - > /*---------------------------------------------------------------------------*/ > > /* > -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/spi/spi-bcm-qspi.c b/drivers/spi/spi-bcm-qspi.c index 9f94268a68b5..57ceec6c6301 100644 --- a/drivers/spi/spi-bcm-qspi.c +++ b/drivers/spi/spi-bcm-qspi.c @@ -944,9 +944,10 @@ static int bcm_qspi_mspi_exec_mem_op(struct spi_device *spi, return ret; } -static int bcm_qspi_exec_mem_op(struct spi_device *spi, +static int bcm_qspi_exec_mem_op(struct spi_mem *mem, const struct spi_mem_op *op) { + struct spi_device *spi = mem->spi; struct bcm_qspi *qspi = spi_master_get_devdata(spi->master); int ret = 0; bool mspi_read = false; @@ -991,34 +992,6 @@ static int bcm_qspi_exec_mem_op(struct spi_device *spi, return ret; } -static int bcm_qspi_exec_mem_op_wrapper(struct spi_mem *mem, - const struct spi_mem_op *op) -{ - return bcm_qspi_exec_mem_op(mem->spi, op); -} - -static int bcm_qspi_flash_read_wrapper(struct spi_device *spi, - struct spi_flash_read_message *msg) -{ - int ret; - struct spi_mem_op op = SPI_MEM_OP(SPI_MEM_OP_CMD(msg->read_opcode, 1), - SPI_MEM_OP_ADDR(msg->addr_width, - msg->from, - msg->addr_nbits), - SPI_MEM_OP_DUMMY(msg->dummy_bytes, - msg->addr_nbits), - SPI_MEM_OP_DATA_IN(msg->len, - msg->buf, - msg->data_nbits)); - - msg->retlen = 0; - ret = bcm_qspi_exec_mem_op(spi, &op); - if (!ret) - msg->retlen = msg->len; - - return ret; -} - static void bcm_qspi_cleanup(struct spi_device *spi) { struct bcm_qspi_parms *xp = spi_get_ctldata(spi); @@ -1214,7 +1187,7 @@ static void bcm_qspi_hw_uninit(struct bcm_qspi *qspi) } static const struct spi_controller_mem_ops bcm_qspi_mem_ops = { - .exec_op = bcm_qspi_exec_mem_op_wrapper, + .exec_op = bcm_qspi_exec_mem_op, }; static const struct of_device_id bcm_qspi_of_match[] = { @@ -1259,7 +1232,6 @@ int bcm_qspi_probe(struct platform_device *pdev, master->mode_bits = SPI_CPHA | SPI_CPOL | SPI_RX_DUAL | SPI_RX_QUAD; master->setup = bcm_qspi_setup; master->transfer_one = bcm_qspi_transfer_one; - master->spi_flash_read = bcm_qspi_flash_read_wrapper; master->mem_ops = &bcm_qspi_mem_ops; master->cleanup = bcm_qspi_cleanup; master->dev.of_node = dev->of_node; diff --git a/drivers/spi/spi-bcm53xx.c b/drivers/spi/spi-bcm53xx.c index 5044e4e4a263..890b58e8645f 100644 --- a/drivers/spi/spi-bcm53xx.c +++ b/drivers/spi/spi-bcm53xx.c @@ -290,22 +290,6 @@ static const struct spi_controller_mem_ops bcm53xxspi_mem_ops = { .exec_op = bcm53xxspi_exec_mem_op, }; -static int bcm53xxspi_flash_read(struct spi_device *spi, - struct spi_flash_read_message *msg) -{ - struct bcm53xxspi *b53spi = spi_master_get_devdata(spi->master); - int ret = 0; - - if (msg->from + msg->len > BCM53XXSPI_FLASH_WINDOW) - return -EINVAL; - - bcm53xxspi_enable_bspi(b53spi); - memcpy_fromio(msg->buf, b53spi->mmio_base + msg->from, msg->len); - msg->retlen = msg->len; - - return ret; -} - /************************************************** * BCMA **************************************************/ @@ -344,10 +328,8 @@ static int bcm53xxspi_bcma_probe(struct bcma_device *core) master->dev.of_node = dev->of_node; master->transfer_one = bcm53xxspi_transfer_one; - if (b53spi->mmio_base) { + if (b53spi->mmio_base) master->mem_ops = &bcm53xxspi_mem_ops; - master->spi_flash_read = bcm53xxspi_flash_read; - } bcma_set_drvdata(core, b53spi); diff --git a/drivers/spi/spi-ti-qspi.c b/drivers/spi/spi-ti-qspi.c index 1b12c2ff8be3..c54b760e00ed 100644 --- a/drivers/spi/spi-ti-qspi.c +++ b/drivers/spi/spi-ti-qspi.c @@ -531,44 +531,6 @@ static void ti_qspi_setup_mmap_read(struct spi_device *spi, u8 opcode, QSPI_SPI_SETUP_REG(spi->chip_select)); } -static bool ti_qspi_spi_flash_can_dma(struct spi_device *spi, - struct spi_flash_read_message *msg) -{ - return virt_addr_valid(msg->buf); -} - -static int ti_qspi_spi_flash_read(struct spi_device *spi, - struct spi_flash_read_message *msg) -{ - struct ti_qspi *qspi = spi_master_get_devdata(spi->master); - int ret = 0; - - mutex_lock(&qspi->list_lock); - - if (!qspi->mmap_enabled) - ti_qspi_enable_memory_map(spi); - ti_qspi_setup_mmap_read(spi, msg->read_opcode, msg->data_nbits, - msg->addr_width, msg->dummy_bytes); - - if (qspi->rx_chan) { - if (msg->cur_msg_mapped) - ret = ti_qspi_dma_xfer_sg(qspi, msg->rx_sg, msg->from); - else - ret = ti_qspi_dma_bounce_buffer(qspi, msg->from, - msg->buf, msg->len); - if (ret) - goto err_unlock; - } else { - memcpy_fromio(msg->buf, qspi->mmap_base + msg->from, msg->len); - } - msg->retlen = msg->len; - -err_unlock: - mutex_unlock(&qspi->list_lock); - - return ret; -} - static int ti_qspi_exec_mem_op(struct spi_mem *mem, const struct spi_mem_op *op) { @@ -727,7 +689,6 @@ static int ti_qspi_probe(struct platform_device *pdev) master->dev.of_node = pdev->dev.of_node; master->bits_per_word_mask = SPI_BPW_MASK(32) | SPI_BPW_MASK(16) | SPI_BPW_MASK(8); - master->spi_flash_read = ti_qspi_spi_flash_read; master->mem_ops = &ti_qspi_mem_ops; if (!of_property_read_u32(np, "num-cs", &num_cs)) @@ -827,7 +788,6 @@ static int ti_qspi_probe(struct platform_device *pdev) dma_release_channel(qspi->rx_chan); goto no_dma; } - master->spi_flash_can_dma = ti_qspi_spi_flash_can_dma; master->dma_rx = qspi->rx_chan; init_completion(&qspi->transfer_complete); if (res_mmap) @@ -841,7 +801,6 @@ static int ti_qspi_probe(struct platform_device *pdev) "mmap failed with error %ld using PIO mode\n", PTR_ERR(qspi->mmap_base)); qspi->mmap_base = NULL; - master->spi_flash_read = NULL; master->mem_ops = NULL; } } diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index c85b0cf7b4a9..8ee1ba13eb23 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -3055,63 +3055,6 @@ int spi_async_locked(struct spi_device *spi, struct spi_message *message) } EXPORT_SYMBOL_GPL(spi_async_locked); - -int spi_flash_read(struct spi_device *spi, - struct spi_flash_read_message *msg) - -{ - struct spi_controller *master = spi->controller; - struct device *rx_dev = NULL; - int ret; - - if ((msg->opcode_nbits == SPI_NBITS_DUAL || - msg->addr_nbits == SPI_NBITS_DUAL) && - !(spi->mode & (SPI_TX_DUAL | SPI_TX_QUAD))) - return -EINVAL; - if ((msg->opcode_nbits == SPI_NBITS_QUAD || - msg->addr_nbits == SPI_NBITS_QUAD) && - !(spi->mode & SPI_TX_QUAD)) - return -EINVAL; - if (msg->data_nbits == SPI_NBITS_DUAL && - !(spi->mode & (SPI_RX_DUAL | SPI_RX_QUAD))) - return -EINVAL; - if (msg->data_nbits == SPI_NBITS_QUAD && - !(spi->mode & SPI_RX_QUAD)) - return -EINVAL; - - if (master->auto_runtime_pm) { - ret = pm_runtime_get_sync(master->dev.parent); - if (ret < 0) { - dev_err(&master->dev, "Failed to power device: %d\n", - ret); - return ret; - } - } - - mutex_lock(&master->bus_lock_mutex); - mutex_lock(&master->io_mutex); - if (master->dma_rx && master->spi_flash_can_dma(spi, msg)) { - rx_dev = master->dma_rx->device->dev; - ret = spi_map_buf(master, rx_dev, &msg->rx_sg, - msg->buf, msg->len, - DMA_FROM_DEVICE); - if (!ret) - msg->cur_msg_mapped = true; - } - ret = master->spi_flash_read(spi, msg); - if (msg->cur_msg_mapped) - spi_unmap_buf(master, rx_dev, &msg->rx_sg, - DMA_FROM_DEVICE); - mutex_unlock(&master->io_mutex); - mutex_unlock(&master->bus_lock_mutex); - - if (master->auto_runtime_pm) - pm_runtime_put(master->dev.parent); - - return ret; -} -EXPORT_SYMBOL_GPL(spi_flash_read); - /*-------------------------------------------------------------------------*/ /* Utility methods for SPI protocol drivers, layered on diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index a7e0bbed738c..a64235e05321 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -26,7 +26,6 @@ struct dma_chan; struct property_entry; struct spi_controller; struct spi_transfer; -struct spi_flash_read_message; struct spi_controller_mem_ops; /* @@ -382,11 +381,6 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) * controller has native support for memory like operations. * @unprepare_message: undo any work done by prepare_message(). * @slave_abort: abort the ongoing transfer request on an SPI slave controller - * @spi_flash_read: to support spi-controller hardwares that provide - * accelerated interface to read from flash devices. - * @spi_flash_can_dma: analogous to can_dma() interface, but for - * controllers implementing spi_flash_read. - * @flash_read_supported: spi device supports flash read * @cs_gpios: Array of GPIOs to use as chip select lines; one per CS * number. Any individual value may be -ENOENT for CS lines that * are not GPIOs (driven by the SPI controller itself). @@ -552,11 +546,6 @@ struct spi_controller { int (*unprepare_message)(struct spi_controller *ctlr, struct spi_message *message); int (*slave_abort)(struct spi_controller *ctlr); - int (*spi_flash_read)(struct spi_device *spi, - struct spi_flash_read_message *msg); - bool (*spi_flash_can_dma)(struct spi_device *spi, - struct spi_flash_read_message *msg); - bool (*flash_read_supported)(struct spi_device *spi); /* * These hooks are for drivers that use a generic implementation @@ -1190,48 +1179,6 @@ static inline ssize_t spi_w8r16be(struct spi_device *spi, u8 cmd) return be16_to_cpu(result); } -/** - * struct spi_flash_read_message - flash specific information for - * spi-masters that provide accelerated flash read interfaces - * @buf: buffer to read data - * @from: offset within the flash from where data is to be read - * @len: length of data to be read - * @retlen: actual length of data read - * @read_opcode: read_opcode to be used to communicate with flash - * @addr_width: number of address bytes - * @dummy_bytes: number of dummy bytes - * @opcode_nbits: number of lines to send opcode - * @addr_nbits: number of lines to send address - * @data_nbits: number of lines for data - * @rx_sg: Scatterlist for receive data read from flash - * @cur_msg_mapped: message has been mapped for DMA - */ -struct spi_flash_read_message { - void *buf; - loff_t from; - size_t len; - size_t retlen; - u8 read_opcode; - u8 addr_width; - u8 dummy_bytes; - u8 opcode_nbits; - u8 addr_nbits; - u8 data_nbits; - struct sg_table rx_sg; - bool cur_msg_mapped; -}; - -/* SPI core interface for flash read support */ -static inline bool spi_flash_read_supported(struct spi_device *spi) -{ - return spi->controller->spi_flash_read && - (!spi->controller->flash_read_supported || - spi->controller->flash_read_supported(spi)); -} - -int spi_flash_read(struct spi_device *spi, - struct spi_flash_read_message *msg); - /*---------------------------------------------------------------------------*/ /*
This API has been replaced by the spi_mem_xx() one, its only user (spi-nor) has been converted to spi_mem_xx() and all SPI controller drivers that were implementing the ->spi_flash_xxx() hooks are also implementing the spi_mem ones. So we can safely get rid of this API. Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com> --- Changes in v4: - none Changes in v3: - none Changes in v2: - none --- drivers/spi/spi-bcm-qspi.c | 34 +++------------------------ drivers/spi/spi-bcm53xx.c | 20 +--------------- drivers/spi/spi-ti-qspi.c | 41 --------------------------------- drivers/spi/spi.c | 57 ---------------------------------------------- include/linux/spi/spi.h | 53 ------------------------------------------ 5 files changed, 4 insertions(+), 201 deletions(-)