The patch titled
Blackfin SPI driver: move hard coded pin_req to board file
has been added to the -mm tree. Its filename is
blackfin-spi-driver-move-hard-coded-pin_req-to-board-file.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Blackfin SPI driver: move hard coded pin_req to board file
From: Bryan Wu <bryan.wu@xxxxxxxxxx>
Remove some sort of bloaty code, try to get these pin_req arrays built at compile-time
- move this static things to the blackfin board file
- add pin_req array to struct bfin5xx_spi_master
- tested on BF537/BF548 with SPI flash
Signed-off-by: Bryan Wu <bryan.wu@xxxxxxxxxx>
Cc: David Brownell <david-b@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/spi/spi_bfin5xx.c | 28 ++++++---------------------
include/asm-blackfin/bfin5xx_spi.h | 1
2 files changed, 8 insertions(+), 21 deletions(-)
diff -puN drivers/spi/spi_bfin5xx.c~blackfin-spi-driver-move-hard-coded-pin_req-to-board-file drivers/spi/spi_bfin5xx.c
--- a/drivers/spi/spi_bfin5xx.c~blackfin-spi-driver-move-hard-coded-pin_req-to-board-file
+++ a/drivers/spi/spi_bfin5xx.c
@@ -80,6 +80,9 @@ struct driver_data {
/* Regs base of SPI controller */
void __iomem *regs_base;
+ /* Pin request list */
+ u16 *pin_req;
+
/* BFIN hookup */
struct bfin5xx_spi_master *master_info;
@@ -1255,25 +1258,6 @@ static inline int destroy_queue(struct d
return 0;
}
-static int setup_pin_mux(int action, int bus_num)
-{
-
- u16 pin_req[3][4] = {
- {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
- {P_SPI1_SCK, P_SPI1_MISO, P_SPI1_MOSI, 0},
- {P_SPI2_SCK, P_SPI2_MISO, P_SPI2_MOSI, 0},
- };
-
- if (action) {
- if (peripheral_request_list(pin_req[bus_num], DRV_NAME))
- return -EFAULT;
- } else {
- peripheral_free_list(pin_req[bus_num]);
- }
-
- return 0;
-}
-
static int __init bfin5xx_spi_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -1296,6 +1280,7 @@ static int __init bfin5xx_spi_probe(stru
drv_data->master = master;
drv_data->master_info = platform_info;
drv_data->pdev = pdev;
+ drv_data->pin_req = platform_info->pin_req;
master->bus_num = pdev->id;
master->num_chipselect = platform_info->num_chipselect;
@@ -1346,7 +1331,8 @@ static int __init bfin5xx_spi_probe(stru
goto out_error_queue_alloc;
}
- if (setup_pin_mux(1, master->bus_num)) {
+ status = peripheral_request_list(drv_data->pin_req, DRV_NAME);
+ if (status != 0) {
dev_err(&pdev->dev, ": Requesting Peripherals failed\n");
goto out_error;
}
@@ -1394,7 +1380,7 @@ static int __devexit bfin5xx_spi_remove(
/* Disconnect from the SPI framework */
spi_unregister_master(drv_data->master);
- setup_pin_mux(0, drv_data->master->bus_num);
+ peripheral_free_list(drv_data->pin_req);
/* Prevent double remove */
platform_set_drvdata(pdev, NULL);
diff -puN include/asm-blackfin/bfin5xx_spi.h~blackfin-spi-driver-move-hard-coded-pin_req-to-board-file include/asm-blackfin/bfin5xx_spi.h
--- a/include/asm-blackfin/bfin5xx_spi.h~blackfin-spi-driver-move-hard-coded-pin_req-to-board-file
+++ a/include/asm-blackfin/bfin5xx_spi.h
@@ -152,6 +152,7 @@
struct bfin5xx_spi_master {
u16 num_chipselect;
u8 enable_dma;
+ u16 pin_req[4];
};
/* spi_board_info.controller_data for SPI slave devices,
_
Patches currently in -mm which might be from bryan.wu@xxxxxxxxxx are
origin.patch
git-mtd.patch
blackfin-serial-driver-this-driver-enable-sports-on-blackfin-emulate-uart.patch
kernel-printkc-concerns-about-the-console-handover.patch
remove-mm_ptovvtop.patch
spi-initial-bf54x-spi-support.patch
spi-bfin-spi-uses-portmux-calls.patch
spi-spi_bfin-cleanups-error-handling.patch
spi-spi_bfin-handles-spi_transfercs_change.patch
spi-spi_bfin-dont-bypass-spi-framework.patch
spi-spi_bfin-uses-platform-device-resources.patch
spi-spi_bfin-uses-portmux-for-additional-busses.patch
spi-spi_bfin-rearrange-portmux-calls.patch
spi-spi_bfin-change-handling-of-communication-parameters.patch
spi-spi_bfin-relocate-spin-waits.patch
spi-spi_bfin-handle-multiple-spi_masters.patch
spi-spi_bfin-bugfix-for-816-bit-word-sizes.patch
spi-spi_bfin-update-handling-of-delay-after-deselect.patch
spi-spi_bfin-resequence-dma-start-stop.patch
blackfin-spi-driver-use-cpu_relax-to-replace-continue-in-while-busywait.patch
blackfin-spi-driver-use-void-__iomem-for-regs_base.patch
blackfin-spi-driver-move-hard-coded-pin_req-to-board-file.patch
blackfin-spi-driver-reconfigure-speed_hz-and-bits_per_word-in-each-spi-transfer.patch
sanitize-the-type-of-struct-useru_ar0.patch
add-cmpxchg_local-to-blackfin-replace-__cmpxchg-by-generic-cmpxchg.patch
d_path-make-d_path-use-a-struct-path.patch
-
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