diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-10-26 06:39:46 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-10-26 06:39:46 +0900 |
| commit | 0bbc367e21bfeea33230d893be4fa3a3ff9bcb48 (patch) | |
| tree | 50fb335648a22ac519eddb772714ba64a3e6a7ec /drivers/memory | |
| parent | ae416ba4e94a30486ba2af0afe052579e7114ab8 (diff) | |
| parent | 32b88194f71d6ae7768a29f87fbba454728273ee (diff) | |
Merge 4.3-rc7 into usb-next
We want the USB and other fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/memory')
| -rw-r--r-- | drivers/memory/Kconfig | 12 | ||||
| -rw-r--r-- | drivers/memory/omap-gpmc.c | 2 |
2 files changed, 10 insertions, 4 deletions
diff --git a/drivers/memory/Kconfig b/drivers/memory/Kconfig index c6a644b22af4..6f3154613dc7 100644 --- a/drivers/memory/Kconfig +++ b/drivers/memory/Kconfig @@ -58,12 +58,18 @@ config OMAP_GPMC memory drives like NOR, NAND, OneNAND, SRAM. config OMAP_GPMC_DEBUG - bool + bool "Enable GPMC debug output and skip reset of GPMC during init" depends on OMAP_GPMC help Enables verbose debugging mostly to decode the bootloader provided - timings. Enable this during development to configure devices - connected to the GPMC bus. + timings. To preserve the bootloader provided timings, the reset + of GPMC is skipped during init. Enable this during development to + configure devices connected to the GPMC bus. + + NOTE: In addition to matching the register setup with the bootloader + you also need to match the GPMC FCLK frequency used by the + bootloader or else the GPMC timings won't be identical with the + bootloader timings. config MVEBU_DEVBUS bool "Marvell EBU Device Bus Controller" diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c index 32ac049f2bc4..6515dfc2b805 100644 --- a/drivers/memory/omap-gpmc.c +++ b/drivers/memory/omap-gpmc.c @@ -696,7 +696,6 @@ int gpmc_cs_set_timings(int cs, const struct gpmc_timings *t, int div; u32 l; - gpmc_cs_show_timings(cs, "before gpmc_cs_set_timings"); div = gpmc_calc_divider(t->sync_clk); if (div < 0) return div; @@ -1988,6 +1987,7 @@ static int gpmc_probe_generic_child(struct platform_device *pdev, if (ret < 0) goto err; + gpmc_cs_show_timings(cs, "before gpmc_cs_program_settings"); ret = gpmc_cs_program_settings(cs, &gpmc_s); if (ret < 0) goto err; |