diff options
| author | Claudiu Beznea <claudiu.beznea@microchip.com> | 2018-08-30 14:50:08 +0300 |
|---|---|---|
| committer | Sebastian Reichel <sre@kernel.org> | 2018-09-16 12:32:05 +0200 |
| commit | 9be74f0d39c1c923185e184f3263ba29439ebad6 (patch) | |
| tree | 4364adb15705f1fd6945e6d447309adde85e5228 /drivers/power/reset | |
| parent | 4e018c1e9b05f722cdd2fecb36201376e3c58dda (diff) | |
| download | linux-9be74f0d39c1c923185e184f3263ba29439ebad6.tar.bz2 | |
power: reset: at91-poweroff: make mpddrc_base part of struct shdwc
Make mpddrc_base part of struct shdwc since there is also only one
instance of struct shdwc *at91_shdwc in system and to have all data
specific to SHDWC grouped together.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'drivers/power/reset')
| -rw-r--r-- | drivers/power/reset/at91-sama5d2_shdwc.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/power/reset/at91-sama5d2_shdwc.c b/drivers/power/reset/at91-sama5d2_shdwc.c index 94ad79d0d82e..c9994103248e 100644 --- a/drivers/power/reset/at91-sama5d2_shdwc.c +++ b/drivers/power/reset/at91-sama5d2_shdwc.c @@ -71,6 +71,7 @@ struct shdwc_config { struct shdwc { const struct shdwc_config *cfg; void __iomem *at91_shdwc_base; + void __iomem *mpddrc_base; void __iomem *pmc_base; }; @@ -80,7 +81,6 @@ struct shdwc { */ static struct shdwc *at91_shdwc; static struct clk *sclk; -static void __iomem *mpddrc_base; static const unsigned long long sdwc_dbc_period[] = { 0, 3, 32, 512, 4096, 32768, @@ -136,7 +136,7 @@ static void at91_poweroff(void) " b .\n\t" : - : "r" (mpddrc_base), + : "r" (at91_shdwc->mpddrc_base), "r" cpu_to_le32(AT91_DDRSDRC_LPDDR2_PWOFF), "r" (at91_shdwc->at91_shdwc_base), "r" cpu_to_le32(AT91_SHDW_KEY | AT91_SHDW_SHDW), @@ -305,21 +305,22 @@ static int __init at91_shdwc_probe(struct platform_device *pdev) goto unmap; } - mpddrc_base = of_iomap(np, 0); + at91_shdwc->mpddrc_base = of_iomap(np, 0); of_node_put(np); - if (!mpddrc_base) { + if (!at91_shdwc->mpddrc_base) { ret = -ENOMEM; goto unmap; } pm_power_off = at91_poweroff; - ddr_type = readl(mpddrc_base + AT91_DDRSDRC_MDR) & AT91_DDRSDRC_MD; + ddr_type = readl(at91_shdwc->mpddrc_base + AT91_DDRSDRC_MDR) & + AT91_DDRSDRC_MD; if (ddr_type != AT91_DDRSDRC_MD_LPDDR2 && ddr_type != AT91_DDRSDRC_MD_LPDDR3) { - iounmap(mpddrc_base); - mpddrc_base = NULL; + iounmap(at91_shdwc->mpddrc_base); + at91_shdwc->mpddrc_base = NULL; } return 0; @@ -343,8 +344,8 @@ static int __exit at91_shdwc_remove(struct platform_device *pdev) writel(0, shdw->at91_shdwc_base + AT91_SHDW_MR); writel(0, shdw->at91_shdwc_base + AT91_SHDW_WUIR); - if (mpddrc_base) - iounmap(mpddrc_base); + if (shdw->mpddrc_base) + iounmap(shdw->mpddrc_base); iounmap(shdw->pmc_base); clk_disable_unprepare(sclk); |