[S] Change in flashrom[1.3.x]: tests: Fix warnings for 32-bit Linux

[Anastasia Klimchuk (Code Review)]

Anastasia Klimchuk has submitted this change. ( https://review.coreboot.org/c/flashrom/+/71285 )

Change subject: tests: Fix warnings for 32-bit Linux
......................................................................

tests: Fix warnings for 32-bit Linux

Unit tests had int-to-pointer-cast warnings for 32-bit Linux
environment, and since warnings are treated as errors this
failed build with unit tests.

Ticket: https://ticket.coreboot.org/issues/407

Original-Tested-By: Branden Waldner 
Original-Signed-off-by: Anastasia Klimchuk 
Original-Reviewed-on: https://review.coreboot.org/c/flashrom/+/72038
Original-Tested-by: build bot (Jenkins) 
Original-Reviewed-by: Angel Pons 
Original-Reviewed-by: Alexander Goncharov 
(cherry picked from commit 87531ef11c00963100f20fac71c2428f54162916)

Change-Id: I9ec5d37cc038171afc67a69ea9a6885deb8fa4a8
Signed-off-by: Evan Benn 
Reviewed-on: https://review.coreboot.org/c/flashrom/+/71285
Reviewed-by: Anastasia Klimchuk 
Tested-by: Anastasia Klimchuk 
---
M tests/linux_spi.c
1 file changed, 29 insertions(+), 2 deletions(-)

Approvals:
  Anastasia Klimchuk: Verified; Looks good to me, approved

diff --git a/tests/linux_spi.c b/tests/linux_spi.c
index 2e3dc95..d71e5b4 100644
--- a/tests/linux_spi.c
+++ b/tests/linux_spi.c
@@ -23,14 +23,14 @@

/* First message has write array and write count */
    	unsigned int writecnt = msg[0].len;
-		unsigned char *writearr = (unsigned char *)msg[0].tx_buf;
+		unsigned char *writearr = (unsigned char *)(uintptr_t)msg[0].tx_buf;
    	/* Second message has read array and read count */
    	unsigned int readcnt = msg[1].len;

/* Detect probing */
    	if (writecnt == 1 && writearr[0] == JEDEC_RDID && readcnt == 3) {
    		/* We need to populate read array. */
-			unsigned char *readarr = (unsigned char *)msg[1].rx_buf;
+			unsigned char *readarr = (unsigned char *)(uintptr_t)msg[1].rx_buf;
    		readarr[0] = 0xEF; /* WINBOND_NEX_ID */
    		readarr[1] = 0x40; /* WINBOND_NEX_W25Q128_V left byte */
    		readarr[2] = 0x18; /* WINBOND_NEX_W25Q128_V right byte */