Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
crypto: hisilicon/qm - remove unnecessary code in qm_mb_write()
Since the HiSilicon accelerator is used only on the
ARM64 architectures, the implementations for other
architectures are not needed, so remove the unnecessary code.
Signed-off-by: Weili Qian <qianweili@huawei.com>
Signed-off-by: Chenghai Huang <huangchenghai2@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
authored by
Weili Qian
and committed by
Herbert Xu
fc8ae11b
ebf35d8f
+2
-12
+2
-12
drivers/crypto/hisilicon/qm.c
+2
-12
drivers/crypto/hisilicon/qm.c
···
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/* 128 bit should be written to hardware at one time to trigger a mailbox */
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static void qm_mb_write(struct hisi_qm *qm, const void *src)
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{
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+
#if IS_ENABLED(CONFIG_ARM64)
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void __iomem *fun_base = qm->io_base + QM_MB_CMD_SEND_BASE;
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-
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-
#if IS_ENABLED(CONFIG_ARM64)
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-
unsigned long tmp0 = 0, tmp1 = 0;
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-
#endif
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-
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-
if (!IS_ENABLED(CONFIG_ARM64)) {
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memcpy_toio(fun_base, src, 16);
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-
dma_wmb();
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return;
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-
}
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-
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-
#if IS_ENABLED(CONFIG_ARM64)
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unsigned long tmp0, tmp1;
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/*
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* The dmb oshst instruction ensures that the data in the
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* mailbox is written before it is sent to the hardware.