43 static bool ntpfw_verify_chunk(struct device *dev, const struct ntpfw_chunk *chunk, size_t buf_size)  in ntpfw_verify_chunk()  argument
47 	if (buf_size <= sizeof(*chunk)) {  in ntpfw_verify_chunk()
48 		dev_err(dev, "Failed to load firmware: chunk size too big\n");  in ntpfw_verify_chunk()
52 	if (chunk->step != 2 && chunk->step != 5) {  in ntpfw_verify_chunk()
53 		dev_err(dev, "Failed to load firmware: invalid chunk step: %d\n", chunk->step);  in ntpfw_verify_chunk()
57 	chunk_size = be16_to_cpu(chunk->length);  in ntpfw_verify_chunk()
59 		dev_err(dev, "Failed to load firmware: invalid chunk length\n");  in ntpfw_verify_chunk()
63 	if (chunk_size % chunk->step) {  in ntpfw_verify_chunk()
64 		dev_err(dev, "Failed to load firmware: chunk length and step mismatch\n");  in ntpfw_verify_chunk()
71 static int ntpfw_send_chunk(struct i2c_client *i2c, const struct ntpfw_chunk *chunk)  in ntpfw_send_chunk()  argument
75 	size_t length = be16_to_cpu(chunk->length);  in ntpfw_send_chunk()
77 	for (i = 0; i < length; i += chunk->step) {  in ntpfw_send_chunk()
78 		ret = i2c_master_send(i2c, &chunk->data[i], chunk->step);  in ntpfw_send_chunk()
79 		if (ret != chunk->step) {  in ntpfw_send_chunk()
91 	const struct ntpfw_chunk *chunk;  in ntpfw_load()  local
113 		chunk = (struct ntpfw_chunk *)data;  in ntpfw_load()
115 		if (!ntpfw_verify_chunk(dev, chunk, leftover)) {  in ntpfw_load()
120 		ret = ntpfw_send_chunk(i2c, chunk);  in ntpfw_load()
124 		data += be16_to_cpu(chunk->length) + sizeof(*chunk);  in ntpfw_load()
125 		leftover -= be16_to_cpu(chunk->length) + sizeof(*chunk);  in ntpfw_load()