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authorOlof Johansson <olof@lixom.net>2018-12-03 13:10:10 -0800
committerOlof Johansson <olof@lixom.net>2018-12-03 13:10:10 -0800
commit202f9977b012d844d08e6d01d12bad891e95b3ae (patch)
treed077a2eea4364b3adb80e755ac548d69a6e638fa /drivers/soc/qcom/qcom-geni-se.c
parente5734bebed406cc35875044b6af9bd67c6160680 (diff)
parentb601f73130a375c912d9f2ec93c5f3cea5d6a3da (diff)
Merge tag 'qcom-drivers-for-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers
Qualcomm ARM Based Driver Updates for v4.21 * Fix llcc license, includes, and error checks * Remove use of memcpy in cmd-db and fix API breakage * Add QCS404 compatible to SMD-RPM * Minor fixes for QMI * Add irq clear handling in QCOM Geni SE during init * tag 'qcom-drivers-for-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux: drm: msm: Check cmd_db_read_aux_data() for failure soc: qcom: smd-rpm: Add QCS404 compatible soc: qcom: llcc-slice: Remove duplicated include from llcc-slice.c soc: qcom: cmd-db: Stop memcpy()ing in cmd_db_read_aux_data() soc: qcom: cmd-db: Remove memcpy()ing from cmd_db_get_header() soc: qcom: Drop help text for QCOM_QMI_HELPERS soc: qcom: qmi_interface: Limit txn ids to U16_MAX soc: qcom: llcc-slice: Add error checks for API functions soc: qcom/llcc: add MODULE_LICENSE tag soc: qcom: Add irq clear handling during SE init Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'drivers/soc/qcom/qcom-geni-se.c')
-rw-r--r--drivers/soc/qcom/qcom-geni-se.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/drivers/soc/qcom/qcom-geni-se.c b/drivers/soc/qcom/qcom-geni-se.c
index ee89ffb6dde8..6b8ef01472e9 100644
--- a/drivers/soc/qcom/qcom-geni-se.c
+++ b/drivers/soc/qcom/qcom-geni-se.c
@@ -215,6 +215,16 @@ static void geni_se_io_init(void __iomem *base)
writel_relaxed(FORCE_DEFAULT, base + GENI_FORCE_DEFAULT_REG);
}
+static void geni_se_irq_clear(struct geni_se *se)
+{
+ writel_relaxed(0, se->base + SE_GSI_EVENT_EN);
+ writel_relaxed(0xffffffff, se->base + SE_GENI_M_IRQ_CLEAR);
+ writel_relaxed(0xffffffff, se->base + SE_GENI_S_IRQ_CLEAR);
+ writel_relaxed(0xffffffff, se->base + SE_DMA_TX_IRQ_CLR);
+ writel_relaxed(0xffffffff, se->base + SE_DMA_RX_IRQ_CLR);
+ writel_relaxed(0xffffffff, se->base + SE_IRQ_EN);
+}
+
/**
* geni_se_init() - Initialize the GENI serial engine
* @se: Pointer to the concerned serial engine.
@@ -228,6 +238,7 @@ void geni_se_init(struct geni_se *se, u32 rx_wm, u32 rx_rfr)
{
u32 val;
+ geni_se_irq_clear(se);
geni_se_io_init(se->base);
geni_se_io_set_mode(se->base);
@@ -249,12 +260,7 @@ static void geni_se_select_fifo_mode(struct geni_se *se)
u32 proto = geni_se_read_proto(se);
u32 val;
- writel_relaxed(0, se->base + SE_GSI_EVENT_EN);
- writel_relaxed(0xffffffff, se->base + SE_GENI_M_IRQ_CLEAR);
- writel_relaxed(0xffffffff, se->base + SE_GENI_S_IRQ_CLEAR);
- writel_relaxed(0xffffffff, se->base + SE_DMA_TX_IRQ_CLR);
- writel_relaxed(0xffffffff, se->base + SE_DMA_RX_IRQ_CLR);
- writel_relaxed(0xffffffff, se->base + SE_IRQ_EN);
+ geni_se_irq_clear(se);
val = readl_relaxed(se->base + SE_GENI_M_IRQ_EN);
if (proto != GENI_SE_UART) {
@@ -277,12 +283,7 @@ static void geni_se_select_dma_mode(struct geni_se *se)
{
u32 val;
- writel_relaxed(0, se->base + SE_GSI_EVENT_EN);
- writel_relaxed(0xffffffff, se->base + SE_GENI_M_IRQ_CLEAR);
- writel_relaxed(0xffffffff, se->base + SE_GENI_S_IRQ_CLEAR);
- writel_relaxed(0xffffffff, se->base + SE_DMA_TX_IRQ_CLR);
- writel_relaxed(0xffffffff, se->base + SE_DMA_RX_IRQ_CLR);
- writel_relaxed(0xffffffff, se->base + SE_IRQ_EN);
+ geni_se_irq_clear(se);
val = readl_relaxed(se->base + SE_GENI_DMA_MODE_EN);
val |= GENI_DMA_MODE_EN;