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openwrt/target/linux/layerscape/patches-4.14/812-flexspi-support-layersc...

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From 31d0f8f19246c9a2fbecb5ca0a03ef6bb70eee2d Mon Sep 17 00:00:00 2001
From: Biwen Li <biwen.li@nxp.com>
Date: Fri, 9 Nov 2018 19:32:53 +0800
Subject: [PATCH] flexspi: support layerscape
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This is an integrated patch of flexspi for layerscape
Signed-off-by: Alistair Strachan <astrachan@google.com>
Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com>
Signed-off-by: Brandon Maier <brandon.maier@rockwellcollins.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Kirill Kapranov <kirill.kapranov@compulab.co.il>
Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Tomer Tayar <Tomer.Tayar@cavium.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Biwen Li <biwen.li@nxp.com>
---
drivers/md/dm-thin.c | 13 +++++++++++++
drivers/net/ethernet/qlogic/qed/qed_mcp.c | 7 +++++++
drivers/net/phy/xilinx_gmii2rgmii.c | 5 +++++
drivers/spi/spi-tegra20-slink.c | 18 ++++++++++++++++++
drivers/staging/android/ashmem.c | 6 ++++++
drivers/tty/serial/imx.c | 8 ++++++++
kernel/events/core.c | 6 ++++++
sound/soc/soc-dapm.c | 7 +++++++
8 files changed, 70 insertions(+)
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -3645,6 +3645,19 @@ static int process_create_thin_mesg(unsi
return r;
}
+ r = dm_pool_get_free_metadata_block_count(pool->pmd, &free_blocks);
+ if (r) {
+ metadata_operation_failed(pool, "dm_pool_get_free_metadata_block_count", r);
+ return r;
+ }
+
+ if (!free_blocks) {
+ /* Let's commit before we use up the metadata reserve. */
+ r = commit(pool);
+ if (r)
+ return r;
+ }
+
return 0;
}
--- a/drivers/net/ethernet/qlogic/qed/qed_mcp.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
@@ -616,6 +616,13 @@ static int qed_mcp_cmd_and_union(struct
return -EBUSY;
}
+ if (p_hwfn->mcp_info->b_block_cmd) {
+ DP_NOTICE(p_hwfn,
+ "The MFW is not responsive. Avoid sending mailbox command 0x%08x [param 0x%08x].\n",
+ p_mb_params->cmd, p_mb_params->param);
+ return -EBUSY;
+ }
+
if (p_mb_params->data_src_size > union_data_size ||
p_mb_params->data_dst_size > union_data_size) {
DP_ERR(p_hwfn,
--- a/drivers/net/phy/xilinx_gmii2rgmii.c
+++ b/drivers/net/phy/xilinx_gmii2rgmii.c
@@ -89,6 +89,11 @@ static int xgmiitorgmii_probe(struct mdi
return -EPROBE_DEFER;
}
+ if (!priv->phy_dev->drv) {
+ dev_info(dev, "Attached phy not ready\n");
+ return -EPROBE_DEFER;
+ }
+
priv->addr = mdiodev->addr;
priv->phy_drv = priv->phy_dev->drv;
memcpy(&priv->conv_phy_drv, priv->phy_dev->drv,
--- a/drivers/spi/spi-tegra20-slink.c
+++ b/drivers/spi/spi-tegra20-slink.c
@@ -1081,6 +1081,24 @@ static int tegra_slink_probe(struct plat
goto exit_free_master;
}
+ /* disabled clock may cause interrupt storm upon request */
+ tspi->clk = devm_clk_get(&pdev->dev, NULL);
+ if (IS_ERR(tspi->clk)) {
+ ret = PTR_ERR(tspi->clk);
+ dev_err(&pdev->dev, "Can not get clock %d\n", ret);
+ goto exit_free_master;
+ }
+ ret = clk_prepare(tspi->clk);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Clock prepare failed %d\n", ret);
+ goto exit_free_master;
+ }
+ ret = clk_enable(tspi->clk);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Clock enable failed %d\n", ret);
+ goto exit_free_master;
+ }
+
spi_irq = platform_get_irq(pdev, 0);
tspi->irq = spi_irq;
ret = request_threaded_irq(tspi->irq, tegra_slink_isr,
--- a/drivers/staging/android/ashmem.c
+++ b/drivers/staging/android/ashmem.c
@@ -380,6 +380,12 @@ static int ashmem_mmap(struct file *file
goto out;
}
+ /* requested mapping size larger than object size */
+ if (vma->vm_end - vma->vm_start > PAGE_ALIGN(asma->size)) {
+ ret = -EINVAL;
+ goto out;
+ }
+
/* requested protection bits must match our allowed protection mask */
if (unlikely((vma->vm_flags & ~calc_vm_prot_bits(asma->prot_mask, 0)) &
calc_vm_prot_bits(PROT_MASK, 0))) {
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -2221,6 +2221,14 @@ static int serial_imx_probe(struct platf
ret);
return ret;
}
+
+ ret = devm_request_irq(&pdev->dev, rtsirq, imx_rtsint, 0,
+ dev_name(&pdev->dev), sport);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to request rts irq: %d\n",
+ ret);
+ return ret;
+ }
} else {
ret = devm_request_irq(&pdev->dev, rxirq, imx_int, 0,
dev_name(&pdev->dev), sport);
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -3763,6 +3763,12 @@ int perf_event_read_local(struct perf_ev
goto out;
}
+ /* If this is a pinned event it must be running on this CPU */
+ if (event->attr.pinned && event->oncpu != smp_processor_id()) {
+ ret = -EBUSY;
+ goto out;
+ }
+
/*
* If the event is currently on this CPU, its either a per-task event,
* or local to this CPU. Furthermore it means its ACTIVE (otherwise
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -4012,6 +4012,13 @@ int snd_soc_dapm_link_dai_widgets(struct
continue;
}
+ /* let users know there is no DAI to link */
+ if (!dai_w->priv) {
+ dev_dbg(card->dev, "dai widget %s has no DAI\n",
+ dai_w->name);
+ continue;
+ }
+
dai = dai_w->priv;
/* ...find all widgets with the same stream and link them */
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