fix(drivers/mtd): fix MISRA issues and logic improvement
Fix MISRA issues and invert the spi_nor_ready status to improve readability. Remove an unneeded variable initialization. Change-Id: I25a97fbd6c4389156b4f077b986019fa7c30a457 Signed-off-by: Lionel Debieve <lionel.debieve@st.com> Signed-off-by: Yann Gautier <yann.gautier@st.com>
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2019-2020, STMicroelectronics - All Rights Reserved
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* Copyright (c) 2019-2021, STMicroelectronics - All Rights Reserved
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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@ -103,7 +103,7 @@ static int spi_nor_ready(void)
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0 : 1;
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}
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return (((sr & SR_WIP) != 0U) ? 1 : 0);
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return (((sr & SR_WIP) == 0U) ? 0 : 1);
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}
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static int spi_nor_wait_ready(void)
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@ -141,7 +141,7 @@ static int spi_nor_macronix_quad_enable(void)
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}
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sr |= SR_QUAD_EN_MX;
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ret = spi_nor_reg(SPI_NOR_OP_WRSR, &sr, 1, SPI_MEM_DATA_OUT);
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ret = spi_nor_reg(SPI_NOR_OP_WRSR, &sr, 1U, SPI_MEM_DATA_OUT);
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if (ret != 0) {
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return ret;
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}
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@ -168,7 +168,7 @@ static int spi_nor_write_sr_cr(uint8_t *sr_cr)
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return ret;
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}
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ret = spi_nor_reg(SPI_NOR_OP_WRSR, sr_cr, 2, SPI_MEM_DATA_OUT);
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ret = spi_nor_reg(SPI_NOR_OP_WRSR, sr_cr, 2U, SPI_MEM_DATA_OUT);
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if (ret != 0) {
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return -EINVAL;
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}
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@ -230,7 +230,7 @@ static int spi_nor_clean_bar(void)
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}
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return spi_nor_reg(nor_dev.bank_write_cmd, &nor_dev.selected_bank,
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1, SPI_MEM_DATA_OUT);
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1U, SPI_MEM_DATA_OUT);
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}
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static int spi_nor_write_bar(uint32_t offset)
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@ -248,7 +248,7 @@ static int spi_nor_write_bar(uint32_t offset)
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}
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ret = spi_nor_reg(nor_dev.bank_write_cmd, &selected_bank,
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1, SPI_MEM_DATA_OUT);
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1U, SPI_MEM_DATA_OUT);
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if (ret != 0) {
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return ret;
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}
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@ -260,11 +260,11 @@ static int spi_nor_write_bar(uint32_t offset)
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static int spi_nor_read_bar(void)
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{
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uint8_t selected_bank = 0;
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uint8_t selected_bank = 0U;
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int ret;
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ret = spi_nor_reg(nor_dev.bank_read_cmd, &selected_bank,
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1, SPI_MEM_DATA_IN);
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1U, SPI_MEM_DATA_IN);
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if (ret != 0) {
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return ret;
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}
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@ -280,7 +280,7 @@ int spi_nor_read(unsigned int offset, uintptr_t buffer, size_t length,
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size_t remain_len;
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int ret;
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*length_read = 0;
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*length_read = 0U;
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nor_dev.read_op.addr.val = offset;
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nor_dev.read_op.data.buf = (void *)buffer;
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@ -324,7 +324,7 @@ int spi_nor_read(unsigned int offset, uintptr_t buffer, size_t length,
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int spi_nor_init(unsigned long long *size, unsigned int *erase_size)
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{
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int ret = 0;
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int ret;
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uint8_t id;
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/* Default read command used */
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@ -339,7 +339,7 @@ int spi_nor_init(unsigned long long *size, unsigned int *erase_size)
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return -EINVAL;
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}
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assert(nor_dev.size != 0);
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assert(nor_dev.size != 0U);
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if (nor_dev.size > BANK_SIZE) {
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nor_dev.flags |= SPI_NOR_USE_BANK;
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