From: Alex Elder Date: Wed, 9 Jun 2021 22:35:03 +0000 (-0500) Subject: net: ipa: use bitmap to check for missing regions X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=6857b02392ab89ffc4235de991b544ef22375e6e;p=uclinux-h8%2Flinux.git net: ipa: use bitmap to check for missing regions In ipa_mem_valid(), wait until regions have been marked in the memory region bitmap, and check all that are not found there to ensure they are not required. Signed-off-by: Alex Elder Signed-off-by: David S. Miller --- diff --git a/drivers/net/ipa/ipa_mem.c b/drivers/net/ipa/ipa_mem.c index 7b79aeb5f68f..ef9fdd3b8875 100644 --- a/drivers/net/ipa/ipa_mem.c +++ b/drivers/net/ipa/ipa_mem.c @@ -249,19 +249,16 @@ static bool ipa_mem_valid(struct ipa *ipa, const struct ipa_mem_data *mem_data) if (mem->offset) dev_warn(dev, "empty region %u has non-zero offset\n", mem_id); - - if (ipa_mem_id_required(ipa, mem_id)) { - dev_err(dev, "required memory region %u missing\n", - mem_id); - return false; - } } /* Now see if any required regions are not defined */ - while (mem_id < IPA_MEM_COUNT) - if (ipa_mem_id_required(ipa, mem_id++)) + for (mem_id = find_first_zero_bit(regions, IPA_MEM_COUNT); + mem_id < IPA_MEM_COUNT; + mem_id = find_next_zero_bit(regions, IPA_MEM_COUNT, mem_id + 1)) { + if (ipa_mem_id_required(ipa, mem_id)) dev_err(dev, "required memory region %u missing\n", mem_id); + } return true; }