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Subjectmainline/master boot bisection: v5.0-4854-g8dcd175bc3d5 on odroid-xu3
From
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* This automated bisection report was sent to you on the basis *
* that you may be involved with the breaking commit it has *
* found. No manual investigation has been done to verify it, *
* and the root cause of the problem may be somewhere else. *
* Hope this helps! *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

mainline/master boot bisection: v5.0-4854-g8dcd175bc3d5 on odroid-xu3

Summary:
Start: 8dcd175bc3d5 Merge branch 'akpm' (patches from Andrew)
Details: https://kernelci.org/boot/id/5c8052c159b5146b7bfe6018
Plain log: https://storage.kernelci.org//mainline/master/v5.0-4854-g8dcd175bc3d5/arm/exynos_defconfig/gcc-7/lab-collabora/boot-exynos5422-odroidxu3.txt
HTML log: https://storage.kernelci.org//mainline/master/v5.0-4854-g8dcd175bc3d5/arm/exynos_defconfig/gcc-7/lab-collabora/boot-exynos5422-odroidxu3.html
Result: 0918f18c7179 crypto: s5p - add AES support for Exynos5433

Checks:
revert: PASS
verify: PASS

Parameters:
Tree: mainline
URL: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Branch: master
Target: odroid-xu3
CPU arch: arm
Lab: lab-collabora
Compiler: gcc-7
Config: exynos_defconfig
Test suite: boot

Breaking commit found:

-------------------------------------------------------------------------------
commit 0918f18c7179e8cdf718d01531a81b28130b4217
Author: Kamil Konieczny <k.konieczny@partner.samsung.com>
Date: Fri Feb 22 13:21:44 2019 +0100

crypto: s5p - add AES support for Exynos5433

Add AES crypto HW acceleration for Exynos5433, with the help of SlimSSS IP.

Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Kamil Konieczny <k.konieczny@partner.samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c
index 8d0afdc220ff..f4e625cf53ca 100644
--- a/drivers/crypto/s5p-sss.c
+++ b/drivers/crypto/s5p-sss.c
@@ -232,6 +232,7 @@
* struct samsung_aes_variant - platform specific SSS driver data
* @aes_offset: AES register offset from SSS module's base.
* @hash_offset: HASH register offset from SSS module's base.
+ * @clk_names: names of clocks needed to run SSS IP
*
* Specifies platform specific configuration of SSS module.
* Note: A structure for driver specific platform data is used for future
@@ -240,6 +241,7 @@
struct samsung_aes_variant {
unsigned int aes_offset;
unsigned int hash_offset;
+ const char *clk_names[];
};

struct s5p_aes_reqctx {
@@ -296,6 +298,7 @@ struct s5p_aes_ctx {
struct s5p_aes_dev {
struct device *dev;
struct clk *clk;
+ struct clk *pclk;
void __iomem *ioaddr;
void __iomem *aes_ioaddr;
int irq_fc;
@@ -384,11 +387,19 @@ struct s5p_hash_ctx {
static const struct samsung_aes_variant s5p_aes_data = {
.aes_offset = 0x4000,
.hash_offset = 0x6000,
+ .clk_names = { "secss", },
};

static const struct samsung_aes_variant exynos_aes_data = {
.aes_offset = 0x200,
.hash_offset = 0x400,
+ .clk_names = { "secss", },
+};
+
+static const struct samsung_aes_variant exynos5433_slim_aes_data = {
+ .aes_offset = 0x400,
+ .hash_offset = 0x800,
+ .clk_names = { "pclk", "aclk", },
};

static const struct of_device_id s5p_sss_dt_match[] = {
@@ -400,6 +411,10 @@ static const struct of_device_id s5p_sss_dt_match[] = {
.compatible = "samsung,exynos4210-secss",
.data = &exynos_aes_data,
},
+ {
+ .compatible = "samsung,exynos5433-slim-sss",
+ .data = &exynos5433_slim_aes_data,
+ },
{ },
};
MODULE_DEVICE_TABLE(of, s5p_sss_dt_match);
@@ -2218,18 +2233,39 @@ static int s5p_aes_probe(struct platform_device *pdev)
return PTR_ERR(pdata->ioaddr);
}

- pdata->clk = devm_clk_get(dev, "secss");
+ pdata->clk = devm_clk_get(dev, variant->clk_names[0]);
if (IS_ERR(pdata->clk)) {
- dev_err(dev, "failed to find secss clock source\n");
+ dev_err(dev, "failed to find secss clock %s\n",
+ variant->clk_names[0]);
return -ENOENT;
}

err = clk_prepare_enable(pdata->clk);
if (err < 0) {
- dev_err(dev, "Enabling SSS clk failed, err %d\n", err);
+ dev_err(dev, "Enabling clock %s failed, err %d\n",
+ variant->clk_names[0], err);
return err;
}

+ if (variant->clk_names[1]) {
+ pdata->pclk = devm_clk_get(dev, variant->clk_names[1]);
+ if (IS_ERR(pdata->pclk)) {
+ dev_err(dev, "failed to find clock %s\n",
+ variant->clk_names[1]);
+ err = -ENOENT;
+ goto err_clk;
+ }
+
+ err = clk_prepare_enable(pdata->pclk);
+ if (err < 0) {
+ dev_err(dev, "Enabling clock %s failed, err %d\n",
+ variant->clk_names[0], err);
+ goto err_clk;
+ }
+ } else {
+ pdata->pclk = NULL;
+ }
+
spin_lock_init(&pdata->lock);
spin_lock_init(&pdata->hash_lock);

@@ -2305,8 +2341,11 @@ static int s5p_aes_probe(struct platform_device *pdev)
tasklet_kill(&pdata->tasklet);

err_irq:
- clk_disable_unprepare(pdata->clk);
+ if (pdata->pclk)
+ clk_disable_unprepare(pdata->pclk);

+err_clk:
+ clk_disable_unprepare(pdata->clk);
s5p_dev = NULL;

return err;
@@ -2333,6 +2372,9 @@ static int s5p_aes_remove(struct platform_device *pdev)
pdata->use_hash = false;
}

+ if (pdata->pclk)
+ clk_disable_unprepare(pdata->pclk);
+
clk_disable_unprepare(pdata->clk);
s5p_dev = NULL;
-------------------------------------------------------------------------------

Git bisection log:

-------------------------------------------------------------------------------
git bisect start
# good: [a215ce8f0e00c2d707080236f1aafec337371043] Merge tag 'iommu-fix-v5.0-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
git bisect good a215ce8f0e00c2d707080236f1aafec337371043
# bad: [8dcd175bc3d50b78413c56d5b17d4bddd77412ef] Merge branch 'akpm' (patches from Andrew)
git bisect bad 8dcd175bc3d50b78413c56d5b17d4bddd77412ef
# good: [096461de96a94c856190ba892ebf62dfba5a38f1] net/sched: avoid unused-label warning
git bisect good 096461de96a94c856190ba892ebf62dfba5a38f1
# bad: [3478588b5136966c80c571cf0006f08e9e5b8f04] Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
git bisect bad 3478588b5136966c80c571cf0006f08e9e5b8f04
# good: [6456300356433873309a1cae6aa05e77d6b59153] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
git bisect good 6456300356433873309a1cae6aa05e77d6b59153
# bad: [8feed3efa8022107bcb3432ac3ec9917e078ae70] Merge branch 'parisc-5.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
git bisect bad 8feed3efa8022107bcb3432ac3ec9917e078ae70
# good: [cf64e495fe221479866c1ea7c6f5cd9698d8a3af] crypto: caam - weak key checking for cbc des, 3des
git bisect good cf64e495fe221479866c1ea7c6f5cd9698d8a3af
# good: [fcc082f35c6d565d351b5b89bb03a82333e9ffe8] Revert "s390/cpum_cf: Add kernel message exaplanations"
git bisect good fcc082f35c6d565d351b5b89bb03a82333e9ffe8
# good: [d3ff9f851b7ad892df8dc168f0d589308fb42ac3] dt-bindings: crypto: document Exynos5433 SlimSSS
git bisect good d3ff9f851b7ad892df8dc168f0d589308fb42ac3
# good: [d578bf28cfc40375b4fc9f7571a3faf17bd2373c] parisc: Add constant for PDC_PAT_COMPLEX firmware call
git bisect good d578bf28cfc40375b4fc9f7571a3faf17bd2373c
# good: [bf6341664ad16070bed675bec659aa54b161ed82] m68k/apollo: Fix comment in Makefile
git bisect good bf6341664ad16070bed675bec659aa54b161ed82
# bad: [eac616557050737a8d6ef6fe0322d0980ff0ffde] x86: Deprecate a.out support
git bisect bad eac616557050737a8d6ef6fe0322d0980ff0ffde
# bad: [63bdf4284c38a48af21745ceb148a087b190cd21] Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
git bisect bad 63bdf4284c38a48af21745ceb148a087b190cd21
# bad: [0918f18c7179e8cdf718d01531a81b28130b4217] crypto: s5p - add AES support for Exynos5433
git bisect bad 0918f18c7179e8cdf718d01531a81b28130b4217
# first bad commit: [0918f18c7179e8cdf718d01531a81b28130b4217] crypto: s5p - add AES support for Exynos5433
-------------------------------------------------------------------------------
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