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Date: Tue, 12 Jul 2022 10:58:31 +0800
From: kernel test robot <yujie.liu@...el.com>
To: Anatolij Gustschin <agust@...x.de>
CC: <kbuild-all@...ts.01.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Vinod Koul <vkoul@...nel.org>
Subject: drivers/dma/bestcomm/bestcomm.c:98:30: sparse: sparse: incorrect type
in argument 1 (different address spaces)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 5a29232d870d9e63fe5ff30b081be6ea7cc2465d
commit: adec566b05288f2787a1f88dbaf77ed8b0c644fa dmaengine: bestcomm: fix system boot lockups
date: 9 months ago
config: powerpc-randconfig-s031-20220712 (https://download.01.org/0day-ci/archive/20220712/202207120948.8wPKTGWL-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 11.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=adec566b05288f2787a1f88dbaf77ed8b0c644fa
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout adec566b05288f2787a1f88dbaf77ed8b0c644fa
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/kernel/ arch/powerpc/platforms/powermac/ drivers/dma/bestcomm/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <yujie.liu@...el.com>
sparse warnings: (may not be real issues)
>> drivers/dma/bestcomm/bestcomm.c:98:30: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *a @@ got struct bcom_bd *bd @@
drivers/dma/bestcomm/bestcomm.c:98:30: sparse: expected void volatile [noderef] __iomem *a
drivers/dma/bestcomm/bestcomm.c:98:30: sparse: got struct bcom_bd *bd
>> drivers/dma/bestcomm/bestcomm.c:189:19: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *a @@ got unsigned int [usertype] *[assigned] var @@
drivers/dma/bestcomm/bestcomm.c:189:19: sparse: expected void volatile [noderef] __iomem *a
drivers/dma/bestcomm/bestcomm.c:189:19: sparse: got unsigned int [usertype] *[assigned] var
>> drivers/dma/bestcomm/bestcomm.c:190:19: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *a @@ got unsigned int [usertype] *[assigned] inc @@
drivers/dma/bestcomm/bestcomm.c:190:19: sparse: expected void volatile [noderef] __iomem *a
drivers/dma/bestcomm/bestcomm.c:190:19: sparse: got unsigned int [usertype] *[assigned] inc
>> drivers/dma/bestcomm/bestcomm.c:196:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *d @@ got unsigned int [usertype] *[assigned] desc @@
drivers/dma/bestcomm/bestcomm.c:196:21: sparse: expected void volatile [noderef] __iomem *d
drivers/dma/bestcomm/bestcomm.c:196:21: sparse: got unsigned int [usertype] *[assigned] desc
>> drivers/dma/bestcomm/bestcomm.c:197:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *d @@ got unsigned int [usertype] * @@
drivers/dma/bestcomm/bestcomm.c:197:25: sparse: expected void volatile [noderef] __iomem *d
drivers/dma/bestcomm/bestcomm.c:197:25: sparse: got unsigned int [usertype] *
>> drivers/dma/bestcomm/bestcomm.c:198:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *d @@ got unsigned int [usertype] *[assigned] inc @@
drivers/dma/bestcomm/bestcomm.c:198:21: sparse: expected void volatile [noderef] __iomem *d
drivers/dma/bestcomm/bestcomm.c:198:21: sparse: got unsigned int [usertype] *[assigned] inc
>> drivers/dma/bestcomm/bestcomm.c:305:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *a @@ got struct bcom_tdt *tdt @@
drivers/dma/bestcomm/bestcomm.c:305:27: sparse: expected void volatile [noderef] __iomem *a
drivers/dma/bestcomm/bestcomm.c:305:27: sparse: got struct bcom_tdt *tdt
>> drivers/dma/bestcomm/bestcomm.c:306:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *a @@ got unsigned int [usertype] *ctx @@
drivers/dma/bestcomm/bestcomm.c:306:27: sparse: expected void volatile [noderef] __iomem *a
drivers/dma/bestcomm/bestcomm.c:306:27: sparse: got unsigned int [usertype] *ctx
>> drivers/dma/bestcomm/bestcomm.c:307:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *a @@ got unsigned int [usertype] *var @@
drivers/dma/bestcomm/bestcomm.c:307:27: sparse: expected void volatile [noderef] __iomem *a
drivers/dma/bestcomm/bestcomm.c:307:27: sparse: got unsigned int [usertype] *var
>> drivers/dma/bestcomm/bestcomm.c:308:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *a @@ got unsigned int [usertype] *fdt @@
drivers/dma/bestcomm/bestcomm.c:308:27: sparse: expected void volatile [noderef] __iomem *a
drivers/dma/bestcomm/bestcomm.c:308:27: sparse: got unsigned int [usertype] *fdt
drivers/dma/bestcomm/bestcomm.c:311:35: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *d @@ got unsigned int [usertype] * @@
drivers/dma/bestcomm/bestcomm.c:311:35: sparse: expected void volatile [noderef] __iomem *d
drivers/dma/bestcomm/bestcomm.c:311:35: sparse: got unsigned int [usertype] *
--
drivers/dma/bestcomm/gen_bd.c:169:25: sparse: sparse: function 'bcom_gen_bd_tx_init' with external linkage has definition
>> drivers/dma/bestcomm/gen_bd.c:145:22: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *a @@ got struct bcom_bd *bd @@
drivers/dma/bestcomm/gen_bd.c:145:22: sparse: expected void volatile [noderef] __iomem *a
drivers/dma/bestcomm/gen_bd.c:145:22: sparse: got struct bcom_bd *bd
drivers/dma/bestcomm/gen_bd.c:229:22: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *a @@ got struct bcom_bd *bd @@
drivers/dma/bestcomm/gen_bd.c:229:22: sparse: expected void volatile [noderef] __iomem *a
drivers/dma/bestcomm/gen_bd.c:229:22: sparse: got struct bcom_bd *bd
vim +98 drivers/dma/bestcomm/bestcomm.c
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 48
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 49 struct bcom_task *
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 50 bcom_task_alloc(int bd_count, int bd_size, int priv_size)
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 51 {
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 52 int i, tasknum = -1;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 53 struct bcom_task *tsk;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 54
9560aea4e9d17c arch/powerpc/sysdev/bestcomm/bestcomm.c Grant Likely 2008-03-22 55 /* Don't try to do anything if bestcomm init failed */
9560aea4e9d17c arch/powerpc/sysdev/bestcomm/bestcomm.c Grant Likely 2008-03-22 56 if (!bcom_eng)
9560aea4e9d17c arch/powerpc/sysdev/bestcomm/bestcomm.c Grant Likely 2008-03-22 57 return NULL;
9560aea4e9d17c arch/powerpc/sysdev/bestcomm/bestcomm.c Grant Likely 2008-03-22 58
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 59 /* Get and reserve a task num */
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 60 spin_lock(&bcom_eng->lock);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 61
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 62 for (i=0; i<BCOM_MAX_TASKS; i++)
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 63 if (!bcom_eng->tdt[i].stop) { /* we use stop as a marker */
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 64 bcom_eng->tdt[i].stop = 0xfffffffful; /* dummy addr */
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 65 tasknum = i;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 66 break;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 67 }
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 68
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 69 spin_unlock(&bcom_eng->lock);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 70
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 71 if (tasknum < 0)
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 72 return NULL;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 73
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 74 /* Allocate our structure */
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 75 tsk = kzalloc(sizeof(struct bcom_task) + priv_size, GFP_KERNEL);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 76 if (!tsk)
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 77 goto error;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 78
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 79 tsk->tasknum = tasknum;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 80 if (priv_size)
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 81 tsk->priv = (void*)tsk + sizeof(struct bcom_task);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 82
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 83 /* Get IRQ of that task */
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 84 tsk->irq = irq_of_parse_and_map(bcom_eng->ofnode, tsk->tasknum);
aa570be6de67f3 drivers/dma/bestcomm/bestcomm.c Michael Ellerman 2016-09-10 85 if (!tsk->irq)
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 86 goto error;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 87
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 88 /* Init the BDs, if needed */
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 89 if (bd_count) {
6da2ec56059c3c drivers/dma/bestcomm/bestcomm.c Kees Cook 2018-06-12 90 tsk->cookie = kmalloc_array(bd_count, sizeof(void *),
6da2ec56059c3c drivers/dma/bestcomm/bestcomm.c Kees Cook 2018-06-12 91 GFP_KERNEL);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 92 if (!tsk->cookie)
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 93 goto error;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 94
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 95 tsk->bd = bcom_sram_alloc(bd_count * bd_size, 4, &tsk->bd_pa);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 96 if (!tsk->bd)
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 97 goto error;
adec566b05288f drivers/dma/bestcomm/bestcomm.c Anatolij Gustschin 2021-10-14 @98 memset_io(tsk->bd, 0x00, bd_count * bd_size);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 99
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 100 tsk->num_bd = bd_count;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 101 tsk->bd_size = bd_size;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 102 }
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 103
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 104 return tsk;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 105
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 106 error:
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 107 if (tsk) {
aa570be6de67f3 drivers/dma/bestcomm/bestcomm.c Michael Ellerman 2016-09-10 108 if (tsk->irq)
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 109 irq_dispose_mapping(tsk->irq);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 110 bcom_sram_free(tsk->bd);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 111 kfree(tsk->cookie);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 112 kfree(tsk);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 113 }
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 114
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 115 bcom_eng->tdt[tasknum].stop = 0;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 116
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 117 return NULL;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 118 }
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 119 EXPORT_SYMBOL_GPL(bcom_task_alloc);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 120
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 121 void
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 122 bcom_task_free(struct bcom_task *tsk)
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 123 {
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 124 /* Stop the task */
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 125 bcom_disable_task(tsk->tasknum);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 126
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 127 /* Clear TDT */
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 128 bcom_eng->tdt[tsk->tasknum].start = 0;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 129 bcom_eng->tdt[tsk->tasknum].stop = 0;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 130
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 131 /* Free everything */
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 132 irq_dispose_mapping(tsk->irq);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 133 bcom_sram_free(tsk->bd);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 134 kfree(tsk->cookie);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 135 kfree(tsk);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 136 }
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 137 EXPORT_SYMBOL_GPL(bcom_task_free);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 138
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 139 int
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 140 bcom_load_image(int task, u32 *task_image)
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 141 {
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 142 struct bcom_task_header *hdr = (struct bcom_task_header *)task_image;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 143 struct bcom_tdt *tdt;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 144 u32 *desc, *var, *inc;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 145 u32 *desc_src, *var_src, *inc_src;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 146
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 147 /* Safety checks */
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 148 if (hdr->magic != BCOM_TASK_MAGIC) {
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 149 printk(KERN_ERR DRIVER_NAME
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 150 ": Trying to load invalid microcode\n");
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 151 return -EINVAL;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 152 }
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 153
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 154 if ((task < 0) || (task >= BCOM_MAX_TASKS)) {
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 155 printk(KERN_ERR DRIVER_NAME
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 156 ": Trying to load invalid task %d\n", task);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 157 return -EINVAL;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 158 }
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 159
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 160 /* Initial load or reload */
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 161 tdt = &bcom_eng->tdt[task];
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 162
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 163 if (tdt->start) {
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 164 desc = bcom_task_desc(task);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 165 if (hdr->desc_size != bcom_task_num_descs(task)) {
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 166 printk(KERN_ERR DRIVER_NAME
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 167 ": Trying to reload wrong task image "
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 168 "(%d size %d/%d)!\n",
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 169 task,
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 170 hdr->desc_size,
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 171 bcom_task_num_descs(task));
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 172 return -EINVAL;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 173 }
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 174 } else {
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 175 phys_addr_t start_pa;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 176
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 177 desc = bcom_sram_alloc(hdr->desc_size * sizeof(u32), 4, &start_pa);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 178 if (!desc)
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 179 return -ENOMEM;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 180
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 181 tdt->start = start_pa;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 182 tdt->stop = start_pa + ((hdr->desc_size-1) * sizeof(u32));
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 183 }
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 184
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 185 var = bcom_task_var(task);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 186 inc = bcom_task_inc(task);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 187
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 188 /* Clear & copy */
adec566b05288f drivers/dma/bestcomm/bestcomm.c Anatolij Gustschin 2021-10-14 @189 memset_io(var, 0x00, BCOM_VAR_SIZE);
adec566b05288f drivers/dma/bestcomm/bestcomm.c Anatolij Gustschin 2021-10-14 @190 memset_io(inc, 0x00, BCOM_INC_SIZE);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 191
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 192 desc_src = (u32 *)(hdr + 1);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 193 var_src = desc_src + hdr->desc_size;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 194 inc_src = var_src + hdr->var_size;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 195
adec566b05288f drivers/dma/bestcomm/bestcomm.c Anatolij Gustschin 2021-10-14 @196 memcpy_toio(desc, desc_src, hdr->desc_size * sizeof(u32));
adec566b05288f drivers/dma/bestcomm/bestcomm.c Anatolij Gustschin 2021-10-14 @197 memcpy_toio(var + hdr->first_var, var_src, hdr->var_size * sizeof(u32));
adec566b05288f drivers/dma/bestcomm/bestcomm.c Anatolij Gustschin 2021-10-14 @198 memcpy_toio(inc, inc_src, hdr->inc_size * sizeof(u32));
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 199
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 200 return 0;
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 201 }
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 202 EXPORT_SYMBOL_GPL(bcom_load_image);
2f9ea1bde0d12d arch/powerpc/sysdev/bestcomm/bestcomm.c Sylvain Munaut 2007-09-16 203
--
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