2022-04-22 19:02:57

by Herbert Xu

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Subject: [PATCH] hwrng: cn10k - Enable compile testing

This patch enables COMPILE_TEST for cn10k.

Signed-off-by: Herbert Xu <[email protected]>

diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index dad084c0ecee..faf0116fa9de 100644
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -540,7 +540,7 @@ config HW_RANDOM_ARM_SMCCC_TRNG

config HW_RANDOM_CN10K
tristate "Marvell CN10K Random Number Generator support"
- depends on HW_RANDOM && PCI && ARM64
+ depends on HW_RANDOM && PCI && (ARM64 || COMPILE_TEST)
default HW_RANDOM
help
This driver provides support for the True Random Number
--
Email: Herbert Xu <[email protected]>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt


2022-04-27 10:54:48

by kernel test robot

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Subject: Re: [PATCH] hwrng: cn10k - Enable compile testing

Hi Herbert,

I love your patch! Yet something to improve:

[auto build test ERROR on char-misc/char-misc-testing]
[also build test ERROR on herbert-cryptodev-2.6/master v5.18-rc4 next-20220426]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url: https://github.com/intel-lab-lkp/linux/commits/Herbert-Xu/hwrng-cn10k-Enable-compile-testing/20220421-181432
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git c50c29a806113614098efd8da9fd7b48d605ba45
config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20220427/[email protected]/config)
compiler: arceb-elf-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/c804fd47b3fa542852a8cbd9c76ded8a43d32a90
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Herbert-Xu/hwrng-cn10k-Enable-compile-testing/20220421-181432
git checkout c804fd47b3fa542852a8cbd9c76ded8a43d32a90
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>

All errors (new ones prefixed by >>):

drivers/char/hw_random/cn10k-rng.c: In function 'check_rng_health':
>> drivers/char/hw_random/cn10k-rng.c:55:18: error: implicit declaration of function 'readq'; did you mean 'readb'? [-Werror=implicit-function-declaration]
55 | status = readq(rng->reg_base + RNM_PF_EBG_HEALTH);
| ^~~~~
| readb
cc1: some warnings being treated as errors


vim +55 drivers/char/hw_random/cn10k-rng.c

38e9791a0209041 Sunil Goutham 2021-12-14 45
38e9791a0209041 Sunil Goutham 2021-12-14 46 static int check_rng_health(struct cn10k_rng *rng)
38e9791a0209041 Sunil Goutham 2021-12-14 47 {
38e9791a0209041 Sunil Goutham 2021-12-14 48 u64 status;
38e9791a0209041 Sunil Goutham 2021-12-14 49 int err;
38e9791a0209041 Sunil Goutham 2021-12-14 50
38e9791a0209041 Sunil Goutham 2021-12-14 51 /* Skip checking health */
38e9791a0209041 Sunil Goutham 2021-12-14 52 if (!rng->reg_base)
38e9791a0209041 Sunil Goutham 2021-12-14 53 return 0;
38e9791a0209041 Sunil Goutham 2021-12-14 54
38e9791a0209041 Sunil Goutham 2021-12-14 @55 status = readq(rng->reg_base + RNM_PF_EBG_HEALTH);
38e9791a0209041 Sunil Goutham 2021-12-14 56 if (status & BIT_ULL(20)) {
38e9791a0209041 Sunil Goutham 2021-12-14 57 err = reset_rng_health_state(rng);
38e9791a0209041 Sunil Goutham 2021-12-14 58 if (err) {
38e9791a0209041 Sunil Goutham 2021-12-14 59 dev_err(&rng->pdev->dev, "HWRNG: Health test failed (status=%llx)\n",
38e9791a0209041 Sunil Goutham 2021-12-14 60 status);
38e9791a0209041 Sunil Goutham 2021-12-14 61 dev_err(&rng->pdev->dev, "HWRNG: error during reset\n");
38e9791a0209041 Sunil Goutham 2021-12-14 62 }
38e9791a0209041 Sunil Goutham 2021-12-14 63 }
38e9791a0209041 Sunil Goutham 2021-12-14 64 return 0;
38e9791a0209041 Sunil Goutham 2021-12-14 65 }
38e9791a0209041 Sunil Goutham 2021-12-14 66

--
0-DAY CI Kernel Test Service
https://01.org/lkp

2022-04-29 14:07:58

by Herbert Xu

[permalink] [raw]
Subject: [v2 PATCH] hwrng: cn10k - Enable compile testing

This patch enables COMPILE_TEST for cn10k.

Signed-off-by: Herbert Xu <[email protected]>

diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index dad084c0ecee..02d0223d6e06 100644
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -540,7 +540,7 @@ config HW_RANDOM_ARM_SMCCC_TRNG

config HW_RANDOM_CN10K
tristate "Marvell CN10K Random Number Generator support"
- depends on HW_RANDOM && PCI && ARM64
+ depends on HW_RANDOM && PCI && (ARM64 || (64BIT && COMPILE_TEST))
default HW_RANDOM
help
This driver provides support for the True Random Number
--
Email: Herbert Xu <[email protected]>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt