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-rw-r--r--drivers/clk/clk-oxnas.c4
-rw-r--r--drivers/clk/rockchip/clk-cpu.c4
-rw-r--r--drivers/clk/rockchip/clk-mmc-phase.c12
-rw-r--r--drivers/clk/rockchip/clk-rk3399.c8
-rw-r--r--drivers/regulator/anatop-regulator.c2
-rw-r--r--drivers/regulator/max77620-regulator.c7
-rw-r--r--drivers/spi/spi-rockchip.c4
-rw-r--r--drivers/spi/spi-sun4i.c23
-rw-r--r--drivers/spi/spi-sun6i.c10
-rw-r--r--drivers/spi/spi-ti-qspi.c7
10 files changed, 56 insertions, 25 deletions
diff --git a/drivers/clk/clk-oxnas.c b/drivers/clk/clk-oxnas.c
index efba7d4..79bcb2e 100644
--- a/drivers/clk/clk-oxnas.c
+++ b/drivers/clk/clk-oxnas.c
@@ -144,9 +144,9 @@ static int oxnas_stdclk_probe(struct platform_device *pdev)
return -ENOMEM;
regmap = syscon_node_to_regmap(of_get_parent(np));
- if (!regmap) {
+ if (IS_ERR(regmap)) {
dev_err(&pdev->dev, "failed to have parent regmap\n");
- return -EINVAL;
+ return PTR_ERR(regmap);
}
for (i = 0; i < ARRAY_SIZE(clk_oxnas_init); i++) {
diff --git a/drivers/clk/rockchip/clk-cpu.c b/drivers/clk/rockchip/clk-cpu.c
index 4bb130c..05b3d73 100644
--- a/drivers/clk/rockchip/clk-cpu.c
+++ b/drivers/clk/rockchip/clk-cpu.c
@@ -321,9 +321,9 @@ struct clk *rockchip_clk_register_cpuclk(const char *name,
}
cclk = clk_register(NULL, &cpuclk->hw);
- if (IS_ERR(clk)) {
+ if (IS_ERR(cclk)) {
pr_err("%s: could not register cpuclk %s\n", __func__, name);
- ret = PTR_ERR(clk);
+ ret = PTR_ERR(cclk);
goto free_rate_table;
}
diff --git a/drivers/clk/rockchip/clk-mmc-phase.c b/drivers/clk/rockchip/clk-mmc-phase.c
index bc856f2..077fcdc 100644
--- a/drivers/clk/rockchip/clk-mmc-phase.c
+++ b/drivers/clk/rockchip/clk-mmc-phase.c
@@ -41,8 +41,6 @@ static unsigned long rockchip_mmc_recalc(struct clk_hw *hw,
#define ROCKCHIP_MMC_DEGREE_MASK 0x3
#define ROCKCHIP_MMC_DELAYNUM_OFFSET 2
#define ROCKCHIP_MMC_DELAYNUM_MASK (0xff << ROCKCHIP_MMC_DELAYNUM_OFFSET)
-#define ROCKCHIP_MMC_INIT_STATE_RESET 0x1
-#define ROCKCHIP_MMC_INIT_STATE_SHIFT 1
#define PSECS_PER_SEC 1000000000000LL
@@ -154,6 +152,7 @@ struct clk *rockchip_clk_register_mmc(const char *name,
return ERR_PTR(-ENOMEM);
init.name = name;
+ init.flags = 0;
init.num_parents = num_parents;
init.parent_names = parent_names;
init.ops = &rockchip_mmc_clk_ops;
@@ -162,15 +161,6 @@ struct clk *rockchip_clk_register_mmc(const char *name,
mmc_clock->reg = reg;
mmc_clock->shift = shift;
- /*
- * Assert init_state to soft reset the CLKGEN
- * for mmc tuning phase and degree
- */
- if (mmc_clock->shift == ROCKCHIP_MMC_INIT_STATE_SHIFT)
- writel(HIWORD_UPDATE(ROCKCHIP_MMC_INIT_STATE_RESET,
- ROCKCHIP_MMC_INIT_STATE_RESET,
- mmc_clock->shift), mmc_clock->reg);
-
clk = clk_register(NULL, &mmc_clock->hw);
if (IS_ERR(clk))
kfree(mmc_clock);
diff --git a/drivers/clk/rockchip/clk-rk3399.c b/drivers/clk/rockchip/clk-rk3399.c
index 291543f..8059a8d 100644
--- a/drivers/clk/rockchip/clk-rk3399.c
+++ b/drivers/clk/rockchip/clk-rk3399.c
@@ -832,9 +832,9 @@ static struct rockchip_clk_branch rk3399_clk_branches[] __initdata = {
RK3399_CLKGATE_CON(13), 1, GFLAGS),
/* perihp */
- GATE(0, "cpll_aclk_perihp_src", "gpll", CLK_IGNORE_UNUSED,
+ GATE(0, "cpll_aclk_perihp_src", "cpll", CLK_IGNORE_UNUSED,
RK3399_CLKGATE_CON(5), 0, GFLAGS),
- GATE(0, "gpll_aclk_perihp_src", "cpll", CLK_IGNORE_UNUSED,
+ GATE(0, "gpll_aclk_perihp_src", "gpll", CLK_IGNORE_UNUSED,
RK3399_CLKGATE_CON(5), 1, GFLAGS),
COMPOSITE(ACLK_PERIHP, "aclk_perihp", mux_aclk_perihp_p, CLK_IGNORE_UNUSED,
RK3399_CLKSEL_CON(14), 7, 1, MFLAGS, 0, 5, DFLAGS,
@@ -1466,6 +1466,8 @@ static struct rockchip_clk_branch rk3399_clk_pmu_branches[] __initdata = {
static const char *const rk3399_cru_critical_clocks[] __initconst = {
"aclk_cci_pre",
+ "aclk_gic",
+ "aclk_gic_noc",
"pclk_perilp0",
"pclk_perilp0",
"hclk_perilp0",
@@ -1508,6 +1510,7 @@ static void __init rk3399_clk_init(struct device_node *np)
ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
if (IS_ERR(ctx)) {
pr_err("%s: rockchip clk init failed\n", __func__);
+ iounmap(reg_base);
return;
}
@@ -1553,6 +1556,7 @@ static void __init rk3399_pmu_clk_init(struct device_node *np)
ctx = rockchip_clk_init(np, reg_base, CLKPMU_NR_CLKS);
if (IS_ERR(ctx)) {
pr_err("%s: rockchip pmu clk init failed\n", __func__);
+ iounmap(reg_base);
return;
}
diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c
index 63cd5e6..3a6d029 100644
--- a/drivers/regulator/anatop-regulator.c
+++ b/drivers/regulator/anatop-regulator.c
@@ -296,7 +296,7 @@ static int anatop_regulator_probe(struct platform_device *pdev)
if (!sreg->sel && !strcmp(sreg->name, "vddpu"))
sreg->sel = 22;
- if (!sreg->sel) {
+ if (!sreg->bypass && !sreg->sel) {
dev_err(&pdev->dev, "Failed to read a valid default voltage selector.\n");
return -EINVAL;
}
diff --git a/drivers/regulator/max77620-regulator.c b/drivers/regulator/max77620-regulator.c
index 321e804..a1b49a6 100644
--- a/drivers/regulator/max77620-regulator.c
+++ b/drivers/regulator/max77620-regulator.c
@@ -123,6 +123,9 @@ static int max77620_regulator_set_fps_src(struct max77620_regulator *pmic,
unsigned int val;
int ret;
+ if (!rinfo)
+ return 0;
+
switch (fps_src) {
case MAX77620_FPS_SRC_0:
case MAX77620_FPS_SRC_1:
@@ -171,6 +174,9 @@ static int max77620_regulator_set_fps_slots(struct max77620_regulator *pmic,
int pd = rpdata->active_fps_pd_slot;
int ret = 0;
+ if (!rinfo)
+ return 0;
+
if (is_suspend) {
pu = rpdata->suspend_fps_pu_slot;
pd = rpdata->suspend_fps_pd_slot;
@@ -680,7 +686,6 @@ static struct max77620_regulator_info max77620_regs_info[MAX77620_NUM_REGS] = {
RAIL_SD(SD1, sd1, "in-sd1", SD1, 600000, 1550000, 12500, 0x22, SD1),
RAIL_SD(SD2, sd2, "in-sd2", SDX, 600000, 3787500, 12500, 0xFF, NONE),
RAIL_SD(SD3, sd3, "in-sd3", SDX, 600000, 3787500, 12500, 0xFF, NONE),
- RAIL_SD(SD4, sd4, "in-sd4", SDX, 600000, 3787500, 12500, 0xFF, NONE),
RAIL_LDO(LDO0, ldo0, "in-ldo0-1", N, 800000, 2375000, 25000),
RAIL_LDO(LDO1, ldo1, "in-ldo0-1", N, 800000, 2375000, 25000),
diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c
index cd89682..1026e18 100644
--- a/drivers/spi/spi-rockchip.c
+++ b/drivers/spi/spi-rockchip.c
@@ -578,7 +578,7 @@ static int rockchip_spi_transfer_one(
struct spi_device *spi,
struct spi_transfer *xfer)
{
- int ret = 1;
+ int ret = 0;
struct rockchip_spi *rs = spi_master_get_devdata(master);
WARN_ON(readl_relaxed(rs->regs + ROCKCHIP_SPI_SSIENR) &&
@@ -627,6 +627,8 @@ static int rockchip_spi_transfer_one(
spi_enable_chip(rs, 1);
ret = rockchip_spi_prepare_dma(rs);
}
+ /* successful DMA prepare means the transfer is in progress */
+ ret = ret ? ret : 1;
} else {
spi_enable_chip(rs, 1);
ret = rockchip_spi_pio_transfer(rs);
diff --git a/drivers/spi/spi-sun4i.c b/drivers/spi/spi-sun4i.c
index 1ddd9e2..cf007f3 100644
--- a/drivers/spi/spi-sun4i.c
+++ b/drivers/spi/spi-sun4i.c
@@ -173,13 +173,17 @@ static int sun4i_spi_transfer_one(struct spi_master *master,
{
struct sun4i_spi *sspi = spi_master_get_devdata(master);
unsigned int mclk_rate, div, timeout;
+ unsigned int start, end, tx_time;
unsigned int tx_len = 0;
int ret = 0;
u32 reg;
/* We don't support transfer larger than the FIFO */
if (tfr->len > SUN4I_FIFO_DEPTH)
- return -EINVAL;
+ return -EMSGSIZE;
+
+ if (tfr->tx_buf && tfr->len >= SUN4I_FIFO_DEPTH)
+ return -EMSGSIZE;
reinit_completion(&sspi->done);
sspi->tx_buf = tfr->tx_buf;
@@ -269,8 +273,12 @@ static int sun4i_spi_transfer_one(struct spi_master *master,
sun4i_spi_write(sspi, SUN4I_BURST_CNT_REG, SUN4I_BURST_CNT(tfr->len));
sun4i_spi_write(sspi, SUN4I_XMIT_CNT_REG, SUN4I_XMIT_CNT(tx_len));
- /* Fill the TX FIFO */
- sun4i_spi_fill_fifo(sspi, SUN4I_FIFO_DEPTH);
+ /*
+ * Fill the TX FIFO
+ * Filling the FIFO fully causes timeout for some reason
+ * at least on spi2 on A10s
+ */
+ sun4i_spi_fill_fifo(sspi, SUN4I_FIFO_DEPTH - 1);
/* Enable the interrupts */
sun4i_spi_write(sspi, SUN4I_INT_CTL_REG, SUN4I_INT_CTL_TC);
@@ -279,9 +287,16 @@ static int sun4i_spi_transfer_one(struct spi_master *master,
reg = sun4i_spi_read(sspi, SUN4I_CTL_REG);
sun4i_spi_write(sspi, SUN4I_CTL_REG, reg | SUN4I_CTL_XCH);
+ tx_time = max(tfr->len * 8 * 2 / (tfr->speed_hz / 1000), 100U);
+ start = jiffies;
timeout = wait_for_completion_timeout(&sspi->done,
- msecs_to_jiffies(1000));
+ msecs_to_jiffies(tx_time));
+ end = jiffies;
if (!timeout) {
+ dev_warn(&master->dev,
+ "%s: timeout transferring %u bytes@%iHz for %i(%i)ms",
+ dev_name(&spi->dev), tfr->len, tfr->speed_hz,
+ jiffies_to_msecs(end - start), tx_time);
ret = -ETIMEDOUT;
goto out;
}
diff --git a/drivers/spi/spi-sun6i.c b/drivers/spi/spi-sun6i.c
index 42e2c4b..7fce79a 100644
--- a/drivers/spi/spi-sun6i.c
+++ b/drivers/spi/spi-sun6i.c
@@ -160,6 +160,7 @@ static int sun6i_spi_transfer_one(struct spi_master *master,
{
struct sun6i_spi *sspi = spi_master_get_devdata(master);
unsigned int mclk_rate, div, timeout;
+ unsigned int start, end, tx_time;
unsigned int tx_len = 0;
int ret = 0;
u32 reg;
@@ -269,9 +270,16 @@ static int sun6i_spi_transfer_one(struct spi_master *master,
reg = sun6i_spi_read(sspi, SUN6I_TFR_CTL_REG);
sun6i_spi_write(sspi, SUN6I_TFR_CTL_REG, reg | SUN6I_TFR_CTL_XCH);
+ tx_time = max(tfr->len * 8 * 2 / (tfr->speed_hz / 1000), 100U);
+ start = jiffies;
timeout = wait_for_completion_timeout(&sspi->done,
- msecs_to_jiffies(1000));
+ msecs_to_jiffies(tx_time));
+ end = jiffies;
if (!timeout) {
+ dev_warn(&master->dev,
+ "%s: timeout transferring %u bytes@%iHz for %i(%i)ms",
+ dev_name(&spi->dev), tfr->len, tfr->speed_hz,
+ jiffies_to_msecs(end - start), tx_time);
ret = -ETIMEDOUT;
goto out;
}
diff --git a/drivers/spi/spi-ti-qspi.c b/drivers/spi/spi-ti-qspi.c
index 443f664..29ea8d2 100644
--- a/drivers/spi/spi-ti-qspi.c
+++ b/drivers/spi/spi-ti-qspi.c
@@ -646,6 +646,13 @@ free_master:
static int ti_qspi_remove(struct platform_device *pdev)
{
+ struct ti_qspi *qspi = platform_get_drvdata(pdev);
+ int rc;
+
+ rc = spi_master_suspend(qspi->master);
+ if (rc)
+ return rc;
+
pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);