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-rw-r--r--drivers/memory/atmel-sdramc.c6
-rw-r--r--drivers/memory/mvebu-devbus.c3
-rw-r--r--drivers/memory/omap-gpmc.c3
-rw-r--r--drivers/memory/renesas-rpc-if.c155
-rw-r--r--drivers/memory/tegra/tegra186.c36
-rw-r--r--drivers/memory/ti-emif-pm.c7
6 files changed, 105 insertions, 105 deletions
diff --git a/drivers/memory/atmel-sdramc.c b/drivers/memory/atmel-sdramc.c
index 9c49d00c2a96..ea6e9e1eaf04 100644
--- a/drivers/memory/atmel-sdramc.c
+++ b/drivers/memory/atmel-sdramc.c
@@ -47,19 +47,17 @@ static int atmel_ramc_probe(struct platform_device *pdev)
caps = of_device_get_match_data(&pdev->dev);
if (caps->has_ddrck) {
- clk = devm_clk_get(&pdev->dev, "ddrck");
+ clk = devm_clk_get_enabled(&pdev->dev, "ddrck");
if (IS_ERR(clk))
return PTR_ERR(clk);
- clk_prepare_enable(clk);
}
if (caps->has_mpddr_clk) {
- clk = devm_clk_get(&pdev->dev, "mpddr");
+ clk = devm_clk_get_enabled(&pdev->dev, "mpddr");
if (IS_ERR(clk)) {
pr_err("AT91 RAMC: couldn't get mpddr clock\n");
return PTR_ERR(clk);
}
- clk_prepare_enable(clk);
}
return 0;
diff --git a/drivers/memory/mvebu-devbus.c b/drivers/memory/mvebu-devbus.c
index 8450638e8670..efc6c08db2b7 100644
--- a/drivers/memory/mvebu-devbus.c
+++ b/drivers/memory/mvebu-devbus.c
@@ -280,10 +280,9 @@ static int mvebu_devbus_probe(struct platform_device *pdev)
if (IS_ERR(devbus->base))
return PTR_ERR(devbus->base);
- clk = devm_clk_get(&pdev->dev, NULL);
+ clk = devm_clk_get_enabled(&pdev->dev, NULL);
if (IS_ERR(clk))
return PTR_ERR(clk);
- clk_prepare_enable(clk);
/*
* Obtain clock period in picoseconds,
diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c
index 57d9f91fe89b..d78f73db37c8 100644
--- a/drivers/memory/omap-gpmc.c
+++ b/drivers/memory/omap-gpmc.c
@@ -1918,7 +1918,8 @@ int gpmc_cs_program_settings(int cs, struct gpmc_settings *p)
}
}
- if (p->wait_pin > gpmc_nr_waitpins) {
+ if (p->wait_pin != GPMC_WAITPIN_INVALID &&
+ p->wait_pin > gpmc_nr_waitpins) {
pr_err("%s: invalid wait-pin (%d)\n", __func__, p->wait_pin);
return -EINVAL;
}
diff --git a/drivers/memory/renesas-rpc-if.c b/drivers/memory/renesas-rpc-if.c
index 09cd4318a83d..025bb628aaf3 100644
--- a/drivers/memory/renesas-rpc-if.c
+++ b/drivers/memory/renesas-rpc-if.c
@@ -163,14 +163,36 @@ static const struct regmap_access_table rpcif_volatile_table = {
.n_yes_ranges = ARRAY_SIZE(rpcif_volatile_ranges),
};
+struct rpcif_priv {
+ struct device *dev;
+ void __iomem *base;
+ void __iomem *dirmap;
+ struct regmap *regmap;
+ struct reset_control *rstc;
+ struct platform_device *vdev;
+ size_t size;
+ enum rpcif_type type;
+ enum rpcif_data_dir dir;
+ u8 bus_size;
+ u8 xfer_size;
+ void *buffer;
+ u32 xferlen;
+ u32 smcr;
+ u32 smadr;
+ u32 command; /* DRCMR or SMCMR */
+ u32 option; /* DROPR or SMOPR */
+ u32 enable; /* DRENR or SMENR */
+ u32 dummy; /* DRDMCR or SMDMCR */
+ u32 ddr; /* DRDRENR or SMDRENR */
+};
/*
* Custom accessor functions to ensure SM[RW]DR[01] are always accessed with
- * proper width. Requires rpcif.xfer_size to be correctly set before!
+ * proper width. Requires rpcif_priv.xfer_size to be correctly set before!
*/
static int rpcif_reg_read(void *context, unsigned int reg, unsigned int *val)
{
- struct rpcif *rpc = context;
+ struct rpcif_priv *rpc = context;
switch (reg) {
case RPCIF_SMRDR0:
@@ -206,7 +228,7 @@ static int rpcif_reg_read(void *context, unsigned int reg, unsigned int *val)
static int rpcif_reg_write(void *context, unsigned int reg, unsigned int val)
{
- struct rpcif *rpc = context;
+ struct rpcif_priv *rpc = context;
switch (reg) {
case RPCIF_SMWDR0:
@@ -253,39 +275,18 @@ static const struct regmap_config rpcif_regmap_config = {
.volatile_table = &rpcif_volatile_table,
};
-int rpcif_sw_init(struct rpcif *rpc, struct device *dev)
+int rpcif_sw_init(struct rpcif *rpcif, struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct resource *res;
+ struct rpcif_priv *rpc = dev_get_drvdata(dev);
- rpc->dev = dev;
-
- rpc->base = devm_platform_ioremap_resource_byname(pdev, "regs");
- if (IS_ERR(rpc->base))
- return PTR_ERR(rpc->base);
-
- rpc->regmap = devm_regmap_init(&pdev->dev, NULL, rpc, &rpcif_regmap_config);
- if (IS_ERR(rpc->regmap)) {
- dev_err(&pdev->dev,
- "failed to init regmap for rpcif, error %ld\n",
- PTR_ERR(rpc->regmap));
- return PTR_ERR(rpc->regmap);
- }
-
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dirmap");
- rpc->dirmap = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(rpc->dirmap))
- return PTR_ERR(rpc->dirmap);
- rpc->size = resource_size(res);
-
- rpc->type = (uintptr_t)of_device_get_match_data(dev);
- rpc->rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL);
-
- return PTR_ERR_OR_ZERO(rpc->rstc);
+ rpcif->dev = dev;
+ rpcif->dirmap = rpc->dirmap;
+ rpcif->size = rpc->size;
+ return 0;
}
EXPORT_SYMBOL(rpcif_sw_init);
-static void rpcif_rzg2l_timing_adjust_sdr(struct rpcif *rpc)
+static void rpcif_rzg2l_timing_adjust_sdr(struct rpcif_priv *rpc)
{
regmap_write(rpc->regmap, RPCIF_PHYWR, 0xa5390000);
regmap_write(rpc->regmap, RPCIF_PHYADD, 0x80000000);
@@ -299,15 +300,17 @@ static void rpcif_rzg2l_timing_adjust_sdr(struct rpcif *rpc)
regmap_write(rpc->regmap, RPCIF_PHYADD, 0x80000032);
}
-int rpcif_hw_init(struct rpcif *rpc, bool hyperflash)
+int rpcif_hw_init(struct device *dev, bool hyperflash)
{
+ struct rpcif_priv *rpc = dev_get_drvdata(dev);
u32 dummy;
+ int ret;
- pm_runtime_get_sync(rpc->dev);
+ ret = pm_runtime_resume_and_get(dev);
+ if (ret)
+ return ret;
if (rpc->type == RPCIF_RZ_G2L) {
- int ret;
-
ret = reset_control_reset(rpc->rstc);
if (ret)
return ret;
@@ -356,7 +359,7 @@ int rpcif_hw_init(struct rpcif *rpc, bool hyperflash)
regmap_write(rpc->regmap, RPCIF_SSLDR, RPCIF_SSLDR_SPNDL(7) |
RPCIF_SSLDR_SLNDL(7) | RPCIF_SSLDR_SCKDL(7));
- pm_runtime_put(rpc->dev);
+ pm_runtime_put(dev);
rpc->bus_size = hyperflash ? 2 : 1;
@@ -364,7 +367,7 @@ int rpcif_hw_init(struct rpcif *rpc, bool hyperflash)
}
EXPORT_SYMBOL(rpcif_hw_init);
-static int wait_msg_xfer_end(struct rpcif *rpc)
+static int wait_msg_xfer_end(struct rpcif_priv *rpc)
{
u32 sts;
@@ -373,7 +376,7 @@ static int wait_msg_xfer_end(struct rpcif *rpc)
USEC_PER_SEC);
}
-static u8 rpcif_bits_set(struct rpcif *rpc, u32 nbytes)
+static u8 rpcif_bits_set(struct rpcif_priv *rpc, u32 nbytes)
{
if (rpc->bus_size == 2)
nbytes /= 2;
@@ -386,9 +389,11 @@ static u8 rpcif_bit_size(u8 buswidth)
return buswidth > 4 ? 2 : ilog2(buswidth);
}
-void rpcif_prepare(struct rpcif *rpc, const struct rpcif_op *op, u64 *offs,
+void rpcif_prepare(struct device *dev, const struct rpcif_op *op, u64 *offs,
size_t *len)
{
+ struct rpcif_priv *rpc = dev_get_drvdata(dev);
+
rpc->smcr = 0;
rpc->smadr = 0;
rpc->enable = 0;
@@ -430,8 +435,7 @@ void rpcif_prepare(struct rpcif *rpc, const struct rpcif_op *op, u64 *offs,
if (op->dummy.buswidth) {
rpc->enable |= RPCIF_SMENR_DME;
- rpc->dummy = RPCIF_SMDMCR_DMCYC(op->dummy.ncycles /
- op->dummy.buswidth);
+ rpc->dummy = RPCIF_SMDMCR_DMCYC(op->dummy.ncycles);
}
if (op->option.buswidth) {
@@ -472,12 +476,15 @@ void rpcif_prepare(struct rpcif *rpc, const struct rpcif_op *op, u64 *offs,
}
EXPORT_SYMBOL(rpcif_prepare);
-int rpcif_manual_xfer(struct rpcif *rpc)
+int rpcif_manual_xfer(struct device *dev)
{
+ struct rpcif_priv *rpc = dev_get_drvdata(dev);
u32 smenr, smcr, pos = 0, max = rpc->bus_size == 2 ? 8 : 4;
int ret = 0;
- pm_runtime_get_sync(rpc->dev);
+ ret = pm_runtime_resume_and_get(dev);
+ if (ret < 0)
+ return ret;
regmap_update_bits(rpc->regmap, RPCIF_PHYCNT,
RPCIF_PHYCNT_CAL, RPCIF_PHYCNT_CAL);
@@ -587,13 +594,13 @@ int rpcif_manual_xfer(struct rpcif *rpc)
}
exit:
- pm_runtime_put(rpc->dev);
+ pm_runtime_put(dev);
return ret;
err_out:
if (reset_control_reset(rpc->rstc))
- dev_err(rpc->dev, "Failed to reset HW\n");
- rpcif_hw_init(rpc, rpc->bus_size == 2);
+ dev_err(dev, "Failed to reset HW\n");
+ rpcif_hw_init(dev, rpc->bus_size == 2);
goto exit;
}
EXPORT_SYMBOL(rpcif_manual_xfer);
@@ -640,15 +647,19 @@ static void memcpy_fromio_readw(void *to,
}
}
-ssize_t rpcif_dirmap_read(struct rpcif *rpc, u64 offs, size_t len, void *buf)
+ssize_t rpcif_dirmap_read(struct device *dev, u64 offs, size_t len, void *buf)
{
+ struct rpcif_priv *rpc = dev_get_drvdata(dev);
loff_t from = offs & (rpc->size - 1);
size_t size = rpc->size - from;
+ int ret;
if (len > size)
len = size;
- pm_runtime_get_sync(rpc->dev);
+ ret = pm_runtime_resume_and_get(dev);
+ if (ret < 0)
+ return ret;
regmap_update_bits(rpc->regmap, RPCIF_CMNCR, RPCIF_CMNCR_MD, 0);
regmap_write(rpc->regmap, RPCIF_DRCR, 0);
@@ -666,7 +677,7 @@ ssize_t rpcif_dirmap_read(struct rpcif *rpc, u64 offs, size_t len, void *buf)
else
memcpy_fromio(buf, rpc->dirmap + from, len);
- pm_runtime_put(rpc->dev);
+ pm_runtime_put(dev);
return len;
}
@@ -674,14 +685,17 @@ EXPORT_SYMBOL(rpcif_dirmap_read);
static int rpcif_probe(struct platform_device *pdev)
{
+ struct device *dev = &pdev->dev;
struct platform_device *vdev;
struct device_node *flash;
+ struct rpcif_priv *rpc;
+ struct resource *res;
const char *name;
int ret;
- flash = of_get_next_child(pdev->dev.of_node, NULL);
+ flash = of_get_next_child(dev->of_node, NULL);
if (!flash) {
- dev_warn(&pdev->dev, "no flash node found\n");
+ dev_warn(dev, "no flash node found\n");
return -ENODEV;
}
@@ -691,16 +705,45 @@ static int rpcif_probe(struct platform_device *pdev)
name = "rpc-if-hyperflash";
} else {
of_node_put(flash);
- dev_warn(&pdev->dev, "unknown flash type\n");
+ dev_warn(dev, "unknown flash type\n");
return -ENODEV;
}
of_node_put(flash);
+ rpc = devm_kzalloc(dev, sizeof(*rpc), GFP_KERNEL);
+ if (!rpc)
+ return -ENOMEM;
+
+ rpc->base = devm_platform_ioremap_resource_byname(pdev, "regs");
+ if (IS_ERR(rpc->base))
+ return PTR_ERR(rpc->base);
+
+ rpc->regmap = devm_regmap_init(dev, NULL, rpc, &rpcif_regmap_config);
+ if (IS_ERR(rpc->regmap)) {
+ dev_err(dev, "failed to init regmap for rpcif, error %ld\n",
+ PTR_ERR(rpc->regmap));
+ return PTR_ERR(rpc->regmap);
+ }
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dirmap");
+ rpc->dirmap = devm_ioremap_resource(dev, res);
+ if (IS_ERR(rpc->dirmap))
+ return PTR_ERR(rpc->dirmap);
+ rpc->size = resource_size(res);
+
+ rpc->type = (uintptr_t)of_device_get_match_data(dev);
+ rpc->rstc = devm_reset_control_get_exclusive(dev, NULL);
+ if (IS_ERR(rpc->rstc))
+ return PTR_ERR(rpc->rstc);
+
vdev = platform_device_alloc(name, pdev->id);
if (!vdev)
return -ENOMEM;
- vdev->dev.parent = &pdev->dev;
- platform_set_drvdata(pdev, vdev);
+ vdev->dev.parent = dev;
+
+ rpc->dev = dev;
+ rpc->vdev = vdev;
+ platform_set_drvdata(pdev, rpc);
ret = platform_device_add(vdev);
if (ret) {
@@ -713,9 +756,9 @@ static int rpcif_probe(struct platform_device *pdev)
static int rpcif_remove(struct platform_device *pdev)
{
- struct platform_device *vdev = platform_get_drvdata(pdev);
+ struct rpcif_priv *rpc = platform_get_drvdata(pdev);
- platform_device_unregister(vdev);
+ platform_device_unregister(rpc->vdev);
return 0;
}
diff --git a/drivers/memory/tegra/tegra186.c b/drivers/memory/tegra/tegra186.c
index 62477e592bf5..7bb73f06fad3 100644
--- a/drivers/memory/tegra/tegra186.c
+++ b/drivers/memory/tegra/tegra186.c
@@ -22,32 +22,6 @@
#define MC_SID_STREAMID_SECURITY_WRITE_ACCESS_DISABLED BIT(16)
#define MC_SID_STREAMID_SECURITY_OVERRIDE BIT(8)
-static void tegra186_mc_program_sid(struct tegra_mc *mc)
-{
- unsigned int i;
-
- for (i = 0; i < mc->soc->num_clients; i++) {
- const struct tegra_mc_client *client = &mc->soc->clients[i];
- u32 override, security;
-
- override = readl(mc->regs + client->regs.sid.override);
- security = readl(mc->regs + client->regs.sid.security);
-
- dev_dbg(mc->dev, "client %s: override: %x security: %x\n",
- client->name, override, security);
-
- dev_dbg(mc->dev, "setting SID %u for %s\n", client->sid,
- client->name);
- writel(client->sid, mc->regs + client->regs.sid.override);
-
- override = readl(mc->regs + client->regs.sid.override);
- security = readl(mc->regs + client->regs.sid.security);
-
- dev_dbg(mc->dev, "client %s: override: %x security: %x\n",
- client->name, override, security);
- }
-}
-
static int tegra186_mc_probe(struct tegra_mc *mc)
{
struct platform_device *pdev = to_platform_device(mc->dev);
@@ -85,8 +59,6 @@ populate:
if (err < 0)
return err;
- tegra186_mc_program_sid(mc);
-
return 0;
}
@@ -95,13 +67,6 @@ static void tegra186_mc_remove(struct tegra_mc *mc)
of_platform_depopulate(mc->dev);
}
-static int tegra186_mc_resume(struct tegra_mc *mc)
-{
- tegra186_mc_program_sid(mc);
-
- return 0;
-}
-
#if IS_ENABLED(CONFIG_IOMMU_API)
static void tegra186_mc_client_sid_override(struct tegra_mc *mc,
const struct tegra_mc_client *client,
@@ -173,7 +138,6 @@ static int tegra186_mc_probe_device(struct tegra_mc *mc, struct device *dev)
const struct tegra_mc_ops tegra186_mc_ops = {
.probe = tegra186_mc_probe,
.remove = tegra186_mc_remove,
- .resume = tegra186_mc_resume,
.probe_device = tegra186_mc_probe_device,
.handle_irq = tegra30_mc_handle_irq,
};
diff --git a/drivers/memory/ti-emif-pm.c b/drivers/memory/ti-emif-pm.c
index 31d6266f008c..cef0d3beb63b 100644
--- a/drivers/memory/ti-emif-pm.c
+++ b/drivers/memory/ti-emif-pm.c
@@ -277,18 +277,13 @@ static int ti_emif_probe(struct platform_device *pdev)
int ret;
struct resource *res;
struct device *dev = &pdev->dev;
- const struct of_device_id *match;
struct ti_emif_data *emif_data;
emif_data = devm_kzalloc(dev, sizeof(*emif_data), GFP_KERNEL);
if (!emif_data)
return -ENOMEM;
- match = of_match_device(ti_emif_of_match, &pdev->dev);
- if (!match)
- return -ENODEV;
-
- emif_data->pm_data.ti_emif_sram_config = (unsigned long)match->data;
+ emif_data->pm_data.ti_emif_sram_config = (unsigned long) device_get_match_data(&pdev->dev);
emif_data->pm_data.ti_emif_base_addr_virt = devm_platform_get_and_ioremap_resource(pdev,
0,
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