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ram: stm32: fix strsep failed on read only memory
strsep will change data from original memory address, in case the memory is in non-sdram/sram place, will run into a bug(hang at SDRAM: ) just add a temporary array to store bank_name[] to fix this bug. Signed-off-by: dillon min <dillon.minfei@gmail.com> Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
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@ -268,6 +268,7 @@ static int stm32_fmc_of_to_plat(struct udevice *dev)
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u32 swp_fmc;
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ofnode bank_node;
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char *bank_name;
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char _bank_name[128] = {0};
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u8 bank = 0;
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int ret;
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@ -300,6 +301,8 @@ static int stm32_fmc_of_to_plat(struct udevice *dev)
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dev_for_each_subnode(bank_node, dev) {
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/* extract the bank index from DT */
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bank_name = (char *)ofnode_get_name(bank_node);
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strlcpy(_bank_name, bank_name, sizeof(_bank_name));
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bank_name = (char *)_bank_name;
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strsep(&bank_name, "@");
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if (!bank_name) {
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pr_err("missing sdram bank index");
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