mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

spi: pxa2xx: Utilize struct device from struct ssp_device 

We have a duplication of struct device in the struct driver_data,
get rid of it and reuse member from struct ssp_device instead.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210423182441.50272-4-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Andy Shevchenko 2021-04-23 21:24:30 +03:00 committed by Mark Brown
parent 9e43c9a8d5
commit c3dce24c40
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
4 changed files with 11 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/spi/spi-pxa2xx-dma.c
View File

@ -111,7 +111,7 @@ pxa2xx_spi_dma_prepare_one(struct driver_data *drv_data,
ret = dmaengine_slave_config(chan, &cfg);
if (ret) {
dev_warn(&drv_data->pdev->dev, "DMA slave config failed\n");
dev_warn(drv_data->ssp->dev, "DMA slave config failed\n");
return NULL;
}
@ -125,7 +125,7 @@ irqreturn_t pxa2xx_spi_dma_transfer(struct driver_data *drv_data)
status = pxa2xx_spi_read(drv_data, SSSR) & drv_data->mask_sr;
if (status & SSSR_ROR) {
dev_err(&drv_data->pdev->dev, "FIFO overrun\n");
dev_err(drv_data->ssp->dev, "FIFO overrun\n");
dmaengine_terminate_async(drv_data->controller->dma_rx);
dmaengine_terminate_async(drv_data->controller->dma_tx);
@ -145,16 +145,14 @@ int pxa2xx_spi_dma_prepare(struct driver_data *drv_data,
tx_desc = pxa2xx_spi_dma_prepare_one(drv_data, DMA_MEM_TO_DEV, xfer);
if (!tx_desc) {
dev_err(&drv_data->pdev->dev,
"failed to get DMA TX descriptor\n");
dev_err(drv_data->ssp->dev, "failed to get DMA TX descriptor\n");
err = -EBUSY;
goto err_tx;
}
rx_desc = pxa2xx_spi_dma_prepare_one(drv_data, DMA_DEV_TO_MEM, xfer);
if (!rx_desc) {
dev_err(&drv_data->pdev->dev,
"failed to get DMA RX descriptor\n");
dev_err(drv_data->ssp->dev, "failed to get DMA RX descriptor\n");
err = -EBUSY;
goto err_rx;
}
@ -191,8 +189,8 @@ void pxa2xx_spi_dma_stop(struct driver_data *drv_data)
int pxa2xx_spi_dma_setup(struct driver_data *drv_data)
{
struct pxa2xx_spi_controller *pdata = drv_data->controller_info;
struct device *dev = &drv_data->pdev->dev;
struct spi_controller *controller = drv_data->controller;
struct device *dev = drv_data->ssp->dev;
dma_cap_mask_t mask;
dma_cap_zero(mask);

1
drivers/spi/spi-pxa2xx-pci.c
View File

@ -239,6 +239,7 @@ static int pxa2xx_spi_pci_probe(struct pci_dev *dev,
spi_pdata.dma_burst_size = c->dma_burst_size ? c->dma_burst_size : 1;
ssp = &spi_pdata.ssp;
ssp->dev = &dev->dev;
ssp->phys_base = pci_resource_start(dev, 0);
ssp->mmio_base = pcim_iomap_table(dev)[0];
ssp->port_id = (c->port_id >= 0) ? c->port_id : dev->devfn;

12
drivers/spi/spi-pxa2xx.c
View File

@ -628,7 +628,7 @@ static void int_error_stop(struct driver_data *drv_data, const char *msg)
pxa2xx_spi_flush(drv_data);
pxa2xx_spi_off(drv_data);
dev_err(&drv_data->pdev->dev, "%s\n", msg);
dev_err(drv_data->ssp->dev, "%s\n", msg);
drv_data->controller->cur_msg->status = -EIO;
spi_finalize_current_transfer(drv_data->controller);
@ -731,8 +731,7 @@ static void handle_bad_msg(struct driver_data *drv_data)
pxa2xx_spi_write(drv_data, SSTO, 0);
write_SSSR_CS(drv_data, drv_data->clear_sr);
dev_err(&drv_data->pdev->dev,
"bad message state in interrupt handler\n");
dev_err(drv_data->ssp->dev, "bad message state in interrupt handler\n");
}
static irqreturn_t ssp_int(int irq, void *dev_id)
@ -748,7 +747,7 @@ static irqreturn_t ssp_int(int irq, void *dev_id)
* the IRQ was not for us (we shouldn't be RPM suspended when the
* interrupt is enabled).
*/
if (pm_runtime_suspended(&drv_data->pdev->dev))
if (pm_runtime_suspended(drv_data->ssp->dev))
return IRQ_NONE;
/*
@ -1158,7 +1157,7 @@ static int pxa2xx_spi_slave_abort(struct spi_controller *controller)
pxa2xx_spi_flush(drv_data);
pxa2xx_spi_off(drv_data);
dev_dbg(&drv_data->pdev->dev, "transfer aborted\n");
dev_dbg(drv_data->ssp->dev, "transfer aborted\n");
drv_data->controller->cur_msg->status = -EINTR;
spi_finalize_current_transfer(drv_data->controller);
@ -1645,7 +1644,7 @@ static int pxa2xx_spi_fw_translate_cs(struct spi_controller *controller,
{
struct driver_data *drv_data = spi_controller_get_devdata(controller);
if (has_acpi_companion(&drv_data->pdev->dev)) {
if (has_acpi_companion(drv_data->ssp->dev)) {
switch (drv_data->ssp_type) {
/*
* For Atoms the ACPI DeviceSelection used by the Windows
@ -1711,7 +1710,6 @@ static int pxa2xx_spi_probe(struct platform_device *pdev)
drv_data = spi_controller_get_devdata(controller);
drv_data->controller = controller;
drv_data->controller_info = platform_info;
drv_data->pdev = pdev;
drv_data->ssp = ssp;
controller->dev.of_node = pdev->dev.of_node;

4
drivers/spi/spi-pxa2xx.h
View File

@ -12,7 +12,6 @@
#include <linux/errno.h>
#include <linux/io.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/pxa2xx_ssp.h>
#include <linux/scatterlist.h>
#include <linux/sizes.h>
@ -20,9 +19,6 @@
#include <linux/spi/pxa2xx_spi.h>
struct driver_data {
/* Driver model hookup */
struct platform_device *pdev;
/* SSP Info */
struct ssp_device *ssp;