static int pmic_arb_write_cmd_unlocked()

in spmi-pmic-arb.c [449:467]

• 15 lines of code
• 2 McCabe index (conditional complexity)

static int pmic_arb_write_cmd_unlocked(struct spmi_controller *ctrl, u32 cmd,
				      u32 offset, u8 sid, u16 addr,
				      const u8 *buf, size_t len)
{
	struct spmi_pmic_arb *pmic_arb = spmi_controller_get_drvdata(ctrl);
	u8 bc = len - 1;

	/* Write data to FIFOs */
	pmic_arb_write_data(pmic_arb, buf, offset + PMIC_ARB_WDATA0,
				min_t(u8, bc, 3));
	if (bc > 3)
		pmic_arb_write_data(pmic_arb, buf + 4, offset + PMIC_ARB_WDATA1,
					bc - 4);

	/* Start the transaction */
	pmic_arb_base_write(pmic_arb, offset + PMIC_ARB_CMD, cmd);
	return pmic_arb_wait_for_done(ctrl, pmic_arb->wr_base, sid, addr,
				      PMIC_ARB_CHANNEL_RW);
}